Are you a university or school looking for an online tutoring partnership ?

1.1) (Ch. 7) Explain what a residual is (also known as residual of prediction). 2) ...

e idea of “least squares” in regression (you need to fully read pp. 200-208 to understand).
3) What does it mean if b = 0?
4) What does it mean when r-squared is 0? What does it mean when r-squared is 1?
5) What is the difference in an unstandardized regression coefficient and the standardized regression coefficient?
6) If a report says test performance was predicted by number of cups of coffee (b = .94), what does the .94 mean? Interpret this. (For every one unit increase in ___,There is an increase in ___ )
7) If F (2,344) = 340.2, p < .001, then what is this saying in general about the regression model? (see p. 217)
8) Why should you be cautious in using unstandardized beta? (p. 218)
9) (Ch. 8) Explain partial correlation in your own words. In your explanation, explain how it is different from zero-order correlation (aka Pearson r).
10) (Ch. 9) What is the F statistic used to determine in multiple regression?
11) What is F when the null hypothesis is true?
12) In Table 9.4, which variable(s) are statistically significant predictors?
13) In Table 9.4, explain what it means if health motivation has b = .36 in terms of predicting number of exercise sessions per week.
14) What is the benefit of interpreting standardized beta weights? (see p. 264).
15) What happens if your predictor variables are too closely correlated?
16) Reflect on your learning. What has been the most difficult? How did you get through it? What concepts are still fuzzy to you? Is there anything you could share with me that would help me address how you learn best?

View More
es forward, and lineman A moves backward. Why does this happen?
a. Because the lineman pushes in different directions, then net force is zero.
b. Lineman A pushes with a greater force, cause a net force that acts in his direction.
c. When the lineman pushes on each other, they cause action reaction forces that are unequal.
d. The force is balanced, but the lineman B exerts a greater force causing unbalanced forces.

View More
is number that can be binary system, decimal system, hexadecimal system.
2. For each of the following pairs of sets, determine if they are disjoint, equal, one is a proper subset of the other, or none of the above. Provide evidence for your answer (i) Q×Z and R×Z (ii) R−ZandQ (iii) {−x|x∈Z}andZ (iv) {x^2 |x∈Z}andZ

View More
b is number that can be binary system, decimal system, hexadecimal system.
2. For each of the following pairs of sets, determine if they are disjoint, equal, one is a proper subset of the other, or none of the above. Provide evidence for your answer
(i) Q×Z and R×Z
(ii) R−ZandQ
(iii) {−x|x∈Z}andZ
(iv) {x^2 |x∈Z}andZ

View More
5.I need help with Y=mx + b I watched a youtube video to help and I thought the answer was (-1,-2) ...

t that was not correct.

View More
ions, Cartesian coordinates, graphs,
kinematics.
Trigonometric functions
Exponential and logarithmic
functions
Limits and differentiation
Algebra, vector and matrices
Combinatorics and Probability
This task is divided in 3 stages.
each stage will have its own milestone and will be released upon completion and review.
Please just bid if you are available for all the tasks, check carefully the times.
Complete a questionary with the math questions, approx. 7 pages every answer should be complete and extensive and fully explained in order to be fully understood the process. Approx. time 2 to 2.5 hours.
Task 2 will take place on
Monday, September 6, 2021 at: 1:00pm / 13:00
Coordinated Universal Time (UTC)
This task will include a similar questionary with A B OR C Answers, approx time 1.5 hours to 2 hours, This questions will be provided one by one and requires that we connect by chat live.
Task 3 will take place on
Monday, September 6, 2021 at: 1:00pm / 13:00
Coordinated Universal Time (UTC) after task2
Upon completion of task 2 a document similar to task 1 will be provided in pdf, this one need to be completed within 4 hours after provided approx. 7 pages every answer should be complete and extensive and fully explained in order to be fully understood the process.
For now I will provide task 1 document.

View More
s:
(a) (5 marks) (A + B)
T = AT + BT
.
(b) (5 marks) (AB)
T = BT AT
.
(c) (5 marks) AT A is symmetric.
(d) (5 marks) AT A = AAT
.

View More
9.I want help with questions 2 and 3 b, so for question 2, I want to know what all ...

ll marks, and for question 3 b I want to know how to write a perfect summary.

View More
. If there is an intruder, system A sounds an alarm with probability 0.85 and system B sounds an alarm with probability 0.95. If there is no intruder, system A sounds an alarm with probability 0.20 and system B sounds an alarm with probability 0.15 . Now, assume that the probability of an intruder is 0.4 . If both systems sound an alarm, what is the probability that there is an intruder?

View More
is regulated by the hippocampus
A & C
B & C

View More
set of observations x1, x2,...,xn, with mean ¯x, then:
Xn
i=1
(xi x¯) > 0.
ii. For two independent events A and B such that P(A) > 0 and P(B) > 0,
then:
P(A [ B) < P(A) + P(B).
iii. For a random variable X, E(X2) can be less than (E(X))2.
iv. Rejecting a true null hypothesis is known as the power of a test.
v. A 4-by-2 contingency table which results in a 2 test statistic value of
6.724 is statistically significant at the 5% significance level.

View More
considering placing an order for 300 of each design. The Sales Manager and Chief Buyer negotiate the contract.
Student A.
You are the Sales Manager for the Spanish briefcase manufacturer.
You want the retailer to agree the following:
Delivery time: Four weeks after receiving order
Place of delivery: The retailer's main warehouses in Zurich and Geneva
Price: Top-of-the range briefcase: €550
Medium-priced briefcase: €320
Colours: Black and brown
Payment: By bank transfer when goods have been dispatched
Discount: 4% for orders over 100
Returns: Medium-priced briefcases (easier to resell)
Student B
You are the Chief Buyer for the Swiss retailer.
You want the manufacturer to agree to the following:
Delivery time: Two weeks after receiving order
Place of delivery: Individual retail outlets (16 around the country)
Price: Top-of-the-range briefcase: €500
Medium-priced briefcase: €270
Colours: Black, brown, maroon, pink
Payment: Two months after delivery
Discount: 10% for orders over 200
Returns: All unsold briefcases returnable up to one year after order

View More
Company B claims that their
platform is used by 45% of all high school students. Assuming
that these proportions are correct, and also assuming that using
one or the other of the social media platforms are independent
events, what percentage of high school students would be
expected to use neither A nor B?
A. 34.1%
B. 27.9%
C. 20.9%
D. 17.1%

View More
16.The equation of a helix is x=2 sin 2t, y=2 cos 2t, z=3t. a) Find the arc length s ...

an arbitrary point (2 sin 2t, 2 cos 2t, 3t) on the helix.
b) Compute the arc length from (0,2,0) to (0,-2,3π/2)
c) Compute the vectors T, N and B at (0,-2,3π/2)
d) Compute the curvature at (0,-2,3π/2)
e) Find the angle between T and the z-axis at (0,-2,3π/2) to the nearest tenth of a degree.

View More
17.Question: What are the possible values of a and b so that the equation 6+a=b is true? Explain your ...

reasoning.
Response: Possible values for a in this problem would be a-6. Possible values for b can be any number both positive or negative.
Is the argument sound or flawed? Explain why you believe it is sound or flawed.

View More
, and
C
, but not necessarily in that order. If
A
B
is 16 inches long,
B
C
is 25 inches long, and
A
C
is 9 inches long, which of the following statements correctly gives the positions of pebbles
A
,
B
, and
C
?

View More
ing symbol S, the set of terminals {0,1}, the nonterminals {S,A,B,C}, and the following production rules:
S -> 0 | 0A
A -> 0A | 1B | 1C
B -> 0B | 1A | 1
C -> 1C

View More
20.(a) A 20.0 L container at 303 K holds a mixture of two gases with a total pressure of 5.00 ...

here are 2.00 mol of Gas A in the mixture, how many moles of Gas B are present? (R = 0.0821 L • atm/(K • mol))
(b) The gas in a 250. mL piston experiences a change in pressure from 1.00 atm to 2.80 atm. What is the new volume (in mL) assuming the moles of gas and temperature are held constant?
(c) Small quantities of Oxygen can be produced by the decomposition of mercury(II) oxide as shown below. Typically, the oxygen gas is bubbled through water for collection and becomes saturated with water vapor. Atomic weight of HgO = 216.6 amu, Atomic weight of Oxygen = 32.00 amu)
2 HgO(s) → 2 Hg(ℓ) + O₂(g)
(i) Assuming that 3.05 grams of HgO was used in this reaction, determine the number of moles of oxygen gas formed.(According to the above chemical equation)
(ii) Assuming 310. 0 mL of Oxygen gas was collected at at 29°C, calculate the pressure of the Oxygen gas that was collected. (R = 0.0821 L • atm/(K • mol)
(iii) If the vapor pressure of water at this temperature equals to 0.042 atm, calculate the pressure reading of this experiment.

View More
subgame perfect Nash equilibrium?
Question 3: In which situations should we need the mixed extension of a game?
Question 4: Find, if any, all Nash equilibria of the following famous matrix game:
L R
U (2,0) (3,3)
D (3,4) (1,2)
Question 5: What is the difference between a separating equilibrium and a pooling equilibrium
in Bayesian games?
Question 6: Give another name for, if it exists, the intersection of the players’ best-response
« functions » in a game?
Question 7: assuming we only deal with pure strategies, the Prisoner’s Dilemma is a situation
with:
No Nash equilibrium One sub-optimal Nash equilibrium
One sub-optimal dominant profile No dominant profile
Question 8: If it exists, a pure Nash equilibrium is always a profile of dominant strategies:
True False
Question 9: All games have at least one pure strategy Nash equilibrium:
True False
Question 10: If a tree game has a backward induction equilibrium then it must also be a Nash
equilibrium of all of its subgames:
Tr
2/2
Question 11: The mixed Nash equilibrium payoffs are always strictly smaller than the pure
Nash equilibrium payoffs:
True False
Question 12: Which of the following statements about dominant/dominated strategies is/are
true?
I. A dominant strategy dominates a dominated strategy in 2x2 games.
II. A dominated strategy must be dominated by a dominant strategy in all games.
III. A profile of dominant strategies must be a pure strategy Nash equilibrium.
IV. A dominated strategy must be dominated by a dominant strategy in 2x2 games.
I, II and IV only I, II and III only II and III only
I and IV only I, III and IV only I and II only
Question 13: A pure strategy Nash equilibrium is a special case of a mixed strategy Nash
equilibrium:
True False
Question 14: Consider the following 2x2 matrix game:
L R
U (3,2) (2,4)
D (-1,4) (4,3)
The number of pure and mixed Nash equilibria in the above game is:
0 1
2 3
Exercise (corresponding to questions 15 to 20 below): assume a medical doctor (M)
prescribes either drug A or drug B to a patient (P), who complies (C) or not (NC) with each of
this treatment. In case of compliance, controlled by an authority in charge of health services
quality, the physician is rewarded at a level of 1 for drug A and 2 for drug B. In case of noncompliance, the physician is « punished » at -1 level for non-compliance of the patient with
drug A and at -2 level for non-compliance with drug B. As for the compliant patient, drug A
should give him back 2 years of life saved and drug B, only 1 year of life saved. When noncompliant with drug A, the same patient wins 3 years of life (due to avoiding unexpected
allergic shock for instance), and when non-compliant with drug B, the patient loses 3 years of
life.
Question 15: You will draw the corresponding matrix of the simultaneous doctor-patient game.
Question 16: Find, if any, the profile(s) of dominant strategies of this game.
Question 17: Find, if any, the pure strategy Nash equilibrium/equilibria of this game.
Question 18: Find, if any, the mixed strategy Nash equilibrium/equilibria of this game.
Questions 19 and 20: Now the doctor prescribes first, then the patient complies or not: draw
the corresponding extensive-form game (= question 19) AND find the subgame perfect Nash
equilibrium/equilibria (=

View More
ibes either drug A or drug B to a patient (P), who complies (C) or not (NC) with each of
this treatment. In case of compliance, controlled by an authority in charge of health services
quality, the physician is rewarded at a level of 1 for drug A and 2 for drug B. In case of noncompliance, the physician is « punished » at -1 level for non-compliance of the patient with
drug A and at -2 level for non-compliance with drug B. As for the compliant patient, drug A
should give him back 2 years of life saved and drug B, only 1 year of life saved. When noncompliant with drug A, the same patient wins 3 years of life (due to avoiding unexpected
allergic shock for instance), and when non-compliant with drug B, the patient loses 3 years of
life.
Question 15: You will draw the corresponding matrix of the simultaneous doctor-patient game.
Question 16: Find, if any, the profile(s) of dominant strategies of this game.
Question 17: Find, if any, the pure strategy Nash equilibrium/equilibria of this game.
Question 18: Find, if any, the mixed strategy Nash equilibrium/equilibria of this game.
Questions 19 and 20: Now the doctor prescribes first, then the patient complies or not: draw
the corresponding extensive-form game (= question 19) AND find the subgame perfect Nash
equilibrium/equilibria (=

View More
epartment produces, each day, components sufficient to make 50 units of A, 25 units of B and 30 units of C. The management is confronted with the problem of optimizing the daily production of products in assembly department where only 100 man-hours are available daily to assemble the products. The following additional information is available.
Type of product Profit Contribution per unit of Product (Rs) Assembly time pee product (hrs)
A 12 0.8
B 20 1.7
C 45 2.5
The company has a daily order commitment for 20 units of product A and a total of 5 units of product B and C. Formulate this problem as a LP model so as to maximize the total profit.

View More
pennies out of A and puts in container B
a> what is ratio of the number of pennies in Container A to that in Container B at first?

View More
26.Person A and person B is carrying a sheet with bricks on it the bricks mass is 40 kg and ...

nter is 1.5 m away from person A (the sheet's mass is 10 kg and it is 7.6 m long )
If person B is 2m away from on side of the sheet while person A is 1 m away from the other side .
Calculate the force that person A & person B effects the sheet with
A. PerA 189.5N ,PerB 300.5N
B. PerA 189.5N ,PerB 679.5N
C. PerA 68.2N ,PerB 300.5N

View More
27.Two people objects are moving downward at a speed of 3 cm/s. Object A has a mass of 2 kg ...

B has a mass of 1 kg. You want both objects to move to the left at a speed of 3 cm/s.
1. In what direction (or directions) should you exert the forces that will make the desired change?

View More
28.Suppose that f: A--> B is a function and that X and Y are two subsets of B such that ...

in Y. prove that f-1(X) is a subset of f-1(Y)

View More
30.Let A and B be two sets, with B being a larger set. Let n be the cardinality of A, ...

be the cardinality of B, so m = |B|. As B is larger, n < m.
What can we say about the cardinality of:
_________ ≤ |A ∪ B| ≤ _________
_________ ≤ |A \ B| ≤ _________
_________ ≤ |A × B| ≤ _________
_________ ≤ |(A × B) \ (A × A)| ≤ _________
_________ ≤ |(A ∪ B) × (B \ A)| ≤ _________
_________ ≤ |(A ∪ B) × (A \ B)| ≤ _________

View More
, ACD®B, D®EF, BE®C, CF®BD, CE ®AF).
(a) Find (BD)+
(b) Find (AB)+
(c) Find Candidate Keys for R
Question 3
Given the scheme R= (ABC), and following set of functional dependencies:
F = (A®BC, B® AC, C ® AB).
(a) Find closure (BC, F)
(b) Find at least one candidate key for R.
(c) Find at least one super-key for R which is not the same as your answer in
(b).
(d) Find at least one minimal cover for a relational scheme (ABC). Show work.
(e) Provide a 3NF decomposition for R.
Question 4
Consider the following set of FDs:
F = (A ® B, AB ® C, D ® AC, D ® E)
G = (A ® BC, D ® AE)
H = (A ® BC, B ® C, A ® B, AB ® C, AC ® D).
(a) Is F ≡ G? Show your work.
(b) Find the minimal cover for H. Show work.

View More
ate = k [A] x [B].
The intial rate of the reaction is 0.021 M/s when the concentration of A is 0.039 M and concentration of B is 0.025 M. Dtermine the value of the rate constant in M-1/s. Do not include unit. Keep one decimal place in your answer

View More
ne.
You buy product A for $16 and sell it for $19. Each unit of product B brings you $12 of profit and each unit of product C costs $31.
You lost your inventory books but you have the following information about the last month:
Your total profit was $17,334
The total number of products B and C you sold were 1,269
The only delivery of product C you received was for $15,531
You fulfilled an order for one product A and one product C and you charged the customer $56.
Find the number of sold items and the profit for each product.

View More
ne.
You buy product A for $16 and sell it for $19. Each unit of product B brings you $12 of profit and each unit of product C costs $31.
You lost your inventory books but you have the following information about the last month:
Your total profit was $17,334
The total number of products B and C you sold were 1,269
The only delivery of product C you received was for $15,531
You fulfilled an order for one product A and one product C and you charged the customer $56.
Find the number of sold items and the profit for each product.

View More
35.how do I answer this question? i dont understand what im supposed to and hkw to do it? 1. ABCD is ...

rectangular sheet of paper, AB 15cm and BC 12= so that the fold line goes through the corner A and the corner B ends up in the figure. Calculate the area of the quadrilateral AECD and the triangle ABC. 12cm. The sheet is folded to the side of the CD, see

View More
36.Let a = sin b, 0 < b < pi/2. Find, in terms of b, the solutions of sin 2x = ...

So far I just tried to do the obvious and substitute -a for - sin b. Like so;
sin 2x = - sin b
which then becomes;
sin 2x = sin -b
and then I can remove the sines and rearrange for x, which gives me this.
2x = -b
x = -b/2
However, if I were to look at the domain of b. Any value within the domain will give a value that doesn't fit the domain of x. Any suggestions would be great. Thank you!

View More
etween. *
A
B
D
3. Which shows the following numbers in order from least to greatest? *
B
C
D
4. Which is the best name for this group of numbers? *
A
B
D
5. Which point on the number line best represents √3? *
A
B
C
For question 6 and 7, write each number in either scientific notation or standard notation. 6. The diameter of Mercury is 4879 kilometers. *
7. The diameter of a bacterial cell called a mycoplasma is about 2 x 10-7 meter. *
8. In which group are the numbers in order from greatest to least? *
B
C
D
9. Greg found the length of a hypotenuse of a right triangle to be √90 feet. Between which two integers does √90 lie? *
A
B
C
10. Which is the best name for this group of numbers? *
A
C
D
11. The water levels of five Texas lakes were measured on the same day in 2010. The table below shows the number of feet above or below normal level for each lake. Which list shows the numbers in the table from greatest to least? *
B
C
D
12. Which numbers from this list are less than -0.94? *
B
C
D
13. The length of a micrometer is approximately 0.00003937 inch. How would you express this in scientific notation? *
A
B
C
14. The National Park Service manages approximately 84,000,000 acres of federal land. How would you express this number using scientific notation? *
B
C
D
15. Seismosaurus is the longest known dinosaur. It measured 1800 inches. How far would 3000 Seismosaurus dinosaurs span if they were placed head to tail? Write your answer in scientific notation. *

View More
on a subsample of weekly data from Randall’s Supermarket, one of the biggest in the UK. Randall’s marketing management team wishes to identify trends and patterns in a sample of weekly data collected for a number of their loyalty cardholders during a 26-week period. The data includes information on the customers’ gender, age, shopping frequency per week and shopping basket price. Randall’s operates two different types of stores (convenient stores and superstores) but they also sell to customers via an online shopping platform. The collected data are from all three different types of stores. Finally, the data provides information on the consistency of the customer’s shopping basket regarding the type of products purchased. These can vary from value products, to brand as well as the supermarket’s own high-quality product series Randall’s Top. As a business analyst you are required to analyse those data, make any necessary modifications in order to determine whether for any single customer it is possible to predict the value of their shopping basket.
Randall’s marketing management team is only interested in identifying whether the spending of the potential customer will fall in one of three possible groups including:
• Low spender (shopping basket value of £25 or less)
• Medium Spender (shopping basket value between £25.01 and £70) and
• High spenders (shopping basket greater than £70)
For the purpose of your analysis you are provided with the data set Randall’s.xls. You have to decide, which method is appropriate to apply for the problem under consideration and undertake the necessary analysis. Once you have completed this analysis, write a report for the Randall’s marketing management team summarising your findings but also describing all necessary steps undertaken in the analysis. The manager is a competent business analyst himself/herself so the report can include technical terms, although you should not exceed five pages. Screenshots and supporting materials can be included in the appendix.
Requirements
After completing your analysis, you should submit a report that consists of two parts. Part A being a non-technical summary of your findings and Part B a detailed report of the analysis undertaken with more details.
Part A: A short report for the Head of Randall’s Marketing Management (20 per cent). This should briefly explain the aim of the project, a clear summary and justification of the methods considered as well as an overview of the results.
Although, the Head of Randall’s Marketing Management team who will receive this summary is a competent business analytics practitioner, the majority of the other team members have little knowledge of statistical modelling and want to know nothing about the technical and statistical underpinning of the techniques used in this analysis. This report should be no more than two sides of A4 including graphs, tables, etc. In this report you should include all the objectives of this analysis, summary of data and results as well as your recommendations (if any).
Part B: A technical report on the various stages of the analysis (80 per cent).
The analysis should be carried out using the range of analytics tools discussed:
• SPSS Statistics
Ensure that the exercise references:
• Binary and multinomial logistic regression
• Linear vs Logistic regression
• Logit Model with odds Ratio
• Co-efficients and Chi Squared
• MLR co-efficients
• Assessing usefulness of MLR model
• Interpreting a model
• Assessing over-all model fit with Psuedo R-Squared measures
• Classification accuracy (Hit Ratio)
• Wald Statistic
• Odd ratio exp(B)
• Ratio of the probability of an event happening vs not happening
• Ratio of the odds after a unit change in the predictor to the original odds
• Assumptions
• Residuals analysis
• Cook’s distance
• DfBeta
• Adequacy (with variance inflation factor VIF and tolerance statistic)
• Outliers and influential points cannot just be removed. We need to check them (typo? – unusual data?)
• Check for multicollinearity
• Parsimony
Write a short and concise report to explain the technical detail of what you have done for each step of the analysis.
The report should also cover the following information:
• Any type of analysis that might be useful and check whether the main assumptions behind the analyses do not hold or cannot be
• Give evidence of the understanding of the statistical tools that you are using. For example, comment on the model selection procedure and the coefficient interpretation, e.g. comment on the interpretation of the logistic regression coefficients if such a method is used and provide an example of
• Conclusions and explanation, in non-technical terms, of the main points

View More
e are three questions but im putting one here.
Shen invested his savings in two investment funds. The 8000 that he invested in Fund A returned a 5% profit. The amount that he invested in Fund B returned a 2% profit. How much did he invest in Fund B, if both funds together returned a 4% profit?

View More
that her parents added to the account, increasing the amount they deposited by $25 each year. Complete the recursive definition for the sequence that represents this situation by finding the values for a1 and d.
f(x)={a1,ifn=1an+1+d,ifn>1
a1=
d=
Part B
Calculate the total amount Gabriela’s parents will have deposited into the account on her birthdays by her 18th birthday.
Total amount = $

View More
7/9 of the distance from B to A. Write in in the form (x,y)

View More
inefficiencies, etc), and suggest an improved process. Open and read the Process Improvement (Final Q 1)
document which describes the process steps in words and also includes a process map as a visual tool for understanding what's going on in each step. You will need to respond to the following three sub-questions:
FINAL Q1: 3 Attachments are the Q1
------------------------------------------------------------------------------------------------------------------------------------------------------------------
I need the 3 part question answered. This is everything in the question.. Understand that there is NOTHING INCOMPLETE, I have added everything that was sent to us.
------------------------------------------------------------------------------------------------------------------------------------------------------------------
a. Of the 9 process steps in the Process Improvement (Final Q 1) document, which specific steps in that process are experiencing lean wastes and/or process cycle time issues (please note, there is more than one step experiencing issues). In your response, name the process step, and/or the transfer interface between steps, and what waste(s) or cycle time issue is involved. Be sure to use standard lean/six sigma terminology that we used in the course when referring to any of the quality concepts; e.g., transportation waste when referring to situations involving a lot of moving around from one place to another.
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
b. Which of the process steps you identified in part a do you believe could benefit from process improvement and why?
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
c. What changes would you institute in the process to improve the steps you cited in part b of this question and describe how those changes improves the process. Be specific about which process step(s) your improving and thoroughly describe the improvement to that step. [Note: This question ties to what you decided was important in part b question above.] Also, when answering how you would improve a given process step, assume you have an unlimited budget and personnel resources and you can do mostly anything you want as long as it doesn't violate the laws of physics or the judicial system. Be cautious though because process improvement is designed to save time, money, and resources in doing the needed work.For example, automation is good, and also potentially expensive, so is it worth it for the improvement? - you will have to be the judge of that.

View More
it take them to make 20yo−yos?

View More
de by credit card; you think this is true at your store as well. On a typical day you make 20 sales.
Show that this situation can be modeled by a binomial distribution. For credit, you must discuss each of the criteria required for a binomial experiment.
Define the random variable x in this scenario, using the context of the problem.
List all possible values of x for this situation.
On one trial for this scenario, what does “success” mean? Explain using the words of the problem.
What is the probability of success in this scenario?
What is the probability of failure in this scenario?
Probability Distribution Instructions¬¬¬¬
In Excel, create a probability distribution for this scenario.
Label Column A as “x” and Column B as “P(x).”
In Column A, list the numbers 0 to 15.
In Column B, use BINOM.DIST.RANGE to calculate the probability for each x value.
Highlight the probability cells, then right click and select Format Cells. Format the probability cells as “Number” and have Excel show 4 decimal places.
Create a probability histogram using the probabilities you calculated. Format and label it properly. Be sure to use the “Select Data” button to change the x-axis so it correctly lists the x-values.

View More
balloon D has no effect on balloon E. (III) A negatively-charged rod attracts both balloon A and balloon E. Figure out what are the charges on each of the balloons.

View More
delines must follow.
The purpose of this assignment is to give you practice using structs, using strings, writing functions and sorting. You will read a student file into an array of structs, determine grades, sort the array and print it out.
Program Steps and Requirements
Use the Student struct shown below.
Read the input file (partially shown below) and store the data in an array of structs. The input file contains 55 student records and one heading line.
Write code to determine the grade for each student. The grade determination is exactly as specified for this class in the syllabus. Remember to discard the lowest assignment grade.
Sort the array of student students in descending order by the total points.
Write the output file using the exact format shown below and include the two lines of headings in the output.
Required Student struct and named constants
const unsigned NumberOfStudents = 55;
const unsigned PointsPossible = 400;
const unsigned NumberOfAssignments = 10;
const unsigned NumberOfExercises = 10;
struct Student
{
int id;
string name;
int exercise[NumberOfExercises];
int assignment[NumberOfAssignments];
int midterm;
int final;
int codelab;
int exerciseTotal;
int assignmentTotal;
int totalPoints;
int percent;
string grade;
};
Input file
-StudId- -------Name-------- -----Exercises----- ---------Assignments--------- Mi Fin CL
12345678 Smartiepants, Sam 5 4 5 4 5 5 5 5 5 5 20 19 20 20 20 20 19 20 20 19 65 98 9
18519268 Mendoza, Victor 4 2 5 4 1 4 5 5 5 4 17 12 17 18 14 17 19 18 14 18 59 49 6
23276929 Chien, Shengfeng 2 3 0 4 4 5 2 5 5 2 9 18 15 8 19 18 18 16 19 13 64 89 8
18242679 Dhaliwal, Shawn 5 5 3 4 5 4 2 4 4 5 9 18 17 15 18 19 12 15 18 14 45 92 9
09869966 Miraftab, Mina 5 3 5 5 3 5 4 0 4 3 17 4 3 18 12 16 14 17 17 12 52 68 7
10930997 Dimas, Abraham 5 3 4 5 4 3 4 3 3 3 12 18 20 11 14 7 15 10 18 15 64 89 6
11545560 Masongsong, Mikhael 1 3 5 4 3 4 5 3 5 5 19 19 9 13 17 20 20 14 14 19 64 96 8
10626377 Zigler, Joshua 4 3 4 3 2 5 4 4 4 5 17 14 18 20 17 18 12 19 14 14 51 90 5
...
Output report file
Stud Id Name Ex Ass Mi Fin CL Tot Pct Gr
-------- ------------------- -- --- -- --- -- --- --- --
12345678 Smartiepants, Sam 48 178 65 98 9 398 100 A+
11545560 Masongsong, Mikhael 38 155 64 96 8 361 90 A-
20767544 Martins, Gustavo 40 144 67 97 10 358 90 A-
23305464 Zumwalt, Jacob 37 160 62 90 8 357 89 B+
23579439 Feirstein, Berent 42 159 55 91 9 356 89 B+
14965959 Ho, Brandon 40 157 66 84 8 355 89 B+
19988142 Wang, Lu 31 157 58 98 9 353 88 B+
09559062 Mora, Gabriel 36 137 67 100 7 347 87 B
19108176 Bailey, Tanequa 44 152 56 85 8 345 86 B
Suggested main function
int main()
{
Student students[NumberOfStudents];
getStudentDataFromFile(students, InputFilename);
determineGrades(students);
sort(students);
printStudentDataToFile(students,OutputFilename);
}

View More
47.1. In Z10, find a != 0 and b != 1 such that ab = a. 2. Prove: if a, ...

en a |(26+c).
3. Prove: if a = b (mod n) and k | n, then a = b (mod k).
4. Determine, with justification, whether Q[x]/(x2 – 9) is an integral domain.
5. Factor x4 + x2 + 1 as a product of monic irreducible polynomials in Z3 [2].
6. Determine, with justification, whether 10 is a unit in Z18.

View More
48.Twenty students are asked to select an integer between 1 and 10. Eight choose either 4, 5 or 6. a If ...

f the students make their choices independently and each is as likely to pick one integer
as any other, what is the probability that 8 or more will select 4,5 or 6?
b Having observed eight students who selected 4, 5, or 6, what conclusion do you draw based
on your answer to part (a)?A missile protection system consists of n radar sets operating independently, each with a
probability of .9 of detecting a missile entering a zone that is covered by all of the units.
a If n = 5 and a missile enters the zone, what is the probability that exactly four sets detect
the missile? At least one set?
b How large must n be if we require that the probability of detecting a missile that enters the
zone be .999?

View More
rovascular cavity of Cnidarians and Ctenophores?
Question 5 options:
a. the spongocoel is larger than the gastrovascular cavity
b. the gastrovascular cavity acts as a hydrostatic skeleton for movement
c. prey are captured, trapped & injected with venom in the spongocoel
d. digestion occurs in the gastrovascular cavity
e. both a & b are correct
f. both b & d are correct
g. none are correct

View More
k = bmodp with p being a prime and a k and b are positive integers), and if it doesn't why?

View More
51.Hi there, I've been struggling with the problem for quite a while and i have not been able to find ...

formula online to help.. It should be a simple straightforward problem but i just can not for the life of me figure it out. are you able to provide me with a formula or point me in the right direction?
The problem is:
Solution A has a 50% concentration
Solution B has a 100% concentration
Solution C has a 5% concentration
you have 5L of each solution to utilize as well as unlimited quantities of water to dilute solution concentrations if needed.
Part A
Make a final solution of 100ml with solution concentrations of Solution A 15%, solution C 5% and solution C 80%. how much of each solution will you need to make your final 100ml solution?
Part B
using the above solutions how many 100ml final solutions can you produce with the 5L volumes?
No matter how I work it i can't make the solution to the correct concentrations.
Thank you for your help.
John

View More
52.Hi there, I've been struggling with the problem for quite a while and i have not been able to find ...

formula online to help.. It should be a simple straightforward problem but i just can not for the life of me figure it out. are you able to provide me with a formula or point me in the right direction?
The problem is:
Solution A has a 50% concentration
Solution B has a 100% concentration
Solution C has a 5% concentration
you have 5L of each solution to utilize as well as unlimited quantities of water to dilute solution concentrations if needed.
Part A
Make a final solution of 100ml with solution concentrations of Solution A 15%, solution C 5% and solution C 80%. how much of each solution will you need to make your final 100ml solution?
Part B
using the above solutions how many 100ml final solutions can you produce with the 5L volumes?
No matter how I work it i can't make the solution to the correct concentrations.
Thank you for your help.
John

View More
8O+COCl2⟶C11H7O2Cl+HCl
Naphthol Phosgene
A. How many kilograms of C11H7O2Cl form from 2.5×102 kg of naphthol?
B. If 100. g of naphthol and 100. g of phosgene react, what is the theoretical yield of C11H7O2Cl?
C. If the actual yield of C11H7O2Cl in part b is 118 g, what is the percent yield?

View More
achine B. The nature of the machines makes their cost functions differ.
Total cost is given by C(x,y)equalsUpper C left parenthesis x right parenthesisplusUpper C left parenthesis y right parenthesis. How many units should be made on each machine in order to minimize total costs if xplusyequals19 comma 740 units are required?
The minimum total cost is achieved when
___ units are produced on machine A and
___ units are produced on machine B

View More
55.a bus driver drives from A to B, and truck driver drives from B to A. Both vehicles leave ...

me time and can meet after 9 hours. Then they continued to drive for another 3 hours. At this time, the bus was 420 kilometers away from destination, and the truck was 300 kilometers away from destination.
Question A, how far apart were the two places?
Question B. what was the speeds of both the drivers?

View More
B and Z and matrices.

View More
57. For all b,m,n are natural, the sets A where n is an integer such that n is congruent to ...

and B where m is an integer such that m is congruent to 1 modulo b have the same cardinality. I need help with the process of finding a function to define the two sets to determine the bijection.

View More
58.Discrete Math, Proof by Contradiction: Prove that if p is prime and ab = p mod p^2 then either a or ...

or b is a multiple of p but not both.

View More
say, comparing the differences, if any, between what you observe for cells with beads A and cells with beads B.
beads A x10 objective:
beads A x25 objective
beads B x10 objective
beads B x25 objective
Question 8 [short Text answer]
Marked out of 15.0
Using either your own cells with beads A or B, or the online images of the same, calculate a phagocytosis index for each treatment. Give the numbers of cells counted, numbers of beads etc and the final PI numbers as mentioned in the practical handout.
Question 9 [Text answer: Up to 250 words]
Marked out of 15.0
Beads A are clean beads , whereas beads B were pre-coated in surface layer of mouse immunoglobulin G (IgG). What differences might you expect (whether your experiment worked or not) upon exposing the mouse RAW 264.7 macrophages cells to these different beads. (do not give a mechanistic reason for it here, just what you might expect to happen)
Question 10 [Text answer: up to 250 words]
Marked out of 15.0
What immunological mechanism(s) might be involved in altering phagocytosis given your knowledge of the beads and cells, irrespective of whether you saw in your own experiment?

View More
60.(1,5) , (2,10) and (3, 19) are points on the curve y = ax^2 + bx + c. Found a, ...

-1 and c = 4.
So quadratic function is y = 2x^2 - x + 4.
Next question is: suppose that the 3rd point is written as (3, t). Find all values for t that will change the quadratic function y =ax^2 + bx + c into a linear function.

View More
61.Cart A (m = 5 kg) is moving at a velocity of 10 m/s, and collides with stationary cart B. ...

sion takes 0.1 s. After the collision, cart A moves backward with a velocity of -2 m/s, and cart B moves forward with a velocity of 5 m/s
What is the magnitude of the acceleration, in m/s2, of cart A during the collision?

View More
62.Cart A (m = 5 kg) is moving at a velocity of 10 m/s, and collides with stationary cart B. ...

sion takes 0.1 s. After the collision, cart A moves backward with a velocity of -2 m/s, and cart B moves forward with a velocity of 5 m/s
What is the magnitude of the acceleration, in m/s2, of cart A during the collision?

View More
d are linked to a higher risk of developing coronary heart diseases. A researcher is investigating two types of interventions (e.g. A, B) to reduce the cholesterol level. Study participants were randomized to receive either intervention A or B. Some subjects dropped from the study due to reasons not related to the interventions. In order to determine which intervention was more effective, the mean cholesterol concentrations were compared between the two groups at the end of the study. The total cholesterol levels for the patients undergoing the intervention A were: 240, 238, 245, 256, 289, 190, 189, 205, 200, 214, 237, 247, 254, 209, 211, 200 mg/dl. The total cholesterol levels for the patients undergoing the intervention B were: 213, 188, 199, 247, 248, 239, 256, 244, 206, 223, 241, 261, 226, and 231 mg/dl.
Which intervention was more effective? Consider alpha=0.05.
Intervention B was more effective.
Intervention A was more effective.
Impossible to tell based on the information provided.
The two interventions were not statistically significant different.

View More
side A of a membrane is 7 mM and the concentration of sodium on side B is 175 mM. 2. If in the situation above sodium is at equilibrium, what is sodium’s contribution to the membrane potential? Which side of the membrane has the more positive charge on it? " Thank you for your help :)

View More
n, I completed parts A and B, but can't get C. We get all the answers to the questions but not how to get to the answer. The question is:
Patrick changes velocity from 2.0 m/s North to 4.0 m/s South with an acceleration of 0.50 m/s/s South. (A) Determine how much time this process takes (ANSWER: 12 s). (B) Find his displacement (magnitude and direction) (ANSWER: 12 m South). (C) Find how much distance Patrick covered (ANSWER: 20 m).
Another question I was having trouble with was this (I got part A but not parts B or C):
Two cars are traveling along a straight line in the same direction, the lead car at 25.0 m/s and the other car at 30.0 m/s. At the moment the cars are 40.0 m apart, the lead driver applies the brakes, causing his car to have an acceleration of -2.00 m/s/s. (A) How long does it take for the lead car to stop? (ANSWER: 12.5 s). (B) Assuming that the chasing car brakes at the same time as the lead car, what must be the chasing car's minimum negative acceleration so as not to hit the lead car? (ANSWER: -2.29 m/s/s). (C) How long does it take for the chasing car to stop? (ANSWER: 13.1 s).

View More
ry specific.
B) Enzymes are not affected by high heat, as proteins are.
C) Enzymes can be recycled and used over and over again.
D) Enzymes are "used up" during chemical reactions.
Question 21 pts
Which factor would most affect an individual's basal metabolic rate?
Group of answer choices
A) activity level
B) meal times
C) sleep schedule
D) vitamin supplementation
Question 31 pts
What type of chemical energy powers your brain cells?
Group of answer choices
A) pyruvic acid
B) adenosine triphosphate (ATP)
C) nicotinamide adenine dinucleotide (NAD+)
D) phospholipids

View More
69.If n is a positive integer, the integers a and b are congruent modulo n, i.e. a ≡ b (mod n), ...

hey have the same remainder after division by n.
Prove that a ≡ b (mod n) if and only if n|(a − b).

View More
70.If n is a positive integer, the integers a and b are congruent modulo n, i.e. a ≡ b (mod n), ...

hey have the same remainder after division by n.
Prove that a ≡ b (mod n) if and only if n|(a − b).

View More
71.Two farm houses A and B are 10.3 Km apart. a third farm house C is located such that BÂC ...

s and ABC (triangle on top of B)=59 degrees. How far is C from A?

View More
that a and b are two integers with GCD 1. Prove that if p is any odd prime which divides a^2 + b^2 then p ≡ 1 (mod 4).

View More
73.For three events A, B and C, we know that: • A and C are independent, • B and C are independent, • ...

t,
• A and B are mutually exclusive,
• P(AUC) = 2/3, P(BUC) = 3/4, P(AUBUC) = 11/2
Find P(A), P(B) and P(C).

View More
74.For three events A, B and C, we know that • A and C are independent, • B and C are independent, • ...

,
• A and B are mutually exclusive,
• P(A∪C)= 2,P(B∪C)= 3,P(A∪B∪C)= 11 3 4 12
Find P(A), P(B) and P(C).

View More
swer, that is not related to other answer(s)
- Multiple choice question with 1 answer, that is slightly related to some of the other answers
- Multiple choice question with 1 answer, that is highly related to some of the other answers
- Multiple choice question with multiple answers, that are not related
- Multiple choice question with multiple answers, that are slightly related
- Multiple choice question with multiple answers, that are highly related
... Respondent A then provides a level of significance to the question from 0-5
Respondent B then answers the same question and significance level.
Then, I'm looking to correlate the responses, with significance level, from respondent A & B.
I can provide additional material to clarify the equation further, with examples. Thanks in advance!

View More
78.how do I found cos(a+b) when cosa=7/25 with pi/2 < a < pi and sin b=-15/17 with 3pi/2 **
...**

e in the
Euclidean plane. In this exercise, we will show this is not true in the Poincar´e plane. As usual, let Γ be the unit
circle in R2
, and let O be the origin. Let A = (3/4, 0) and B = (0, 3/4). Consider the P-triangle △OAB. Let
γ be the E-circle through O, A, and B. Show that γ contains points outside of Γ and is therefore not a P-circle.
Explain why this means that the P-triangle △OAB cannot have a circumscribed circle in the Poincar´e plane.

View More
C
D
Here is their argument. Given the obtuse angle x, we make a quadrilateral ABCD
with ∠DAB = x, and ∠ABC = 90◦
, and AD = BC. Say the perpendicular bisector
to DC meets the perpendicular bisector to AB at P. Then P A = P B and P C =
P D. So the triangles P AD and P BC have equal sides and are congruent. Thus
∠P AD = ∠P BC. But P AB is isosceles, hence ∠P AB = ∠P BA. Subtracting, gives
x = ∠P AD − ∠P AB = ∠P BC − ∠P BA = 90◦
. This is a preposterous conclusion –
just where is the mistake in the “proof” and why does the argument break down there?

View More
81.I need to describe a probabilities in a table. let's say we have a table with A columns and B ...

In each row, we have some True, some false.
I want to calculate the number of possibilities

View More
combine volume pack A and volume pack B. Each pound of volume pack A costs $2.50 and contains 4 units of carbohydrate, 3 units of protein, and 5 units of fat. Each pound of volume pack B cost $1.50 and contains 3 units of carbohydrate, 4 units of protein, and 1 unit of fat. if minimum monthly requirements are 60 units of carbohydrates, 52 units of protein, and 42 units of fat, how many pounds of each food pack will the dietitian use to minimize costs?

View More
combine volume pack A and volume pack B. Each pound of volume pack A costs $2.50 and contains 4 units of carbohydrate, 3 units of protein, and 5 units of fat. Each pound of volume pack B cost $1.50 and contains 3 units of carbohydrate, 4 units of protein, and 1 unit of fat. if minimum monthly requirements are 60 units of carbohydrates, 52 units of protein, and 42 units of fat, how many pounds of each food pack will the dietitian use to minimize costs?

View More
85.Let the Universal Set, S, have 129 elements. A and B are subsets of S. Set A contains 61 elements ...

d Set B contains 39 elements. If the total number of elements in either A or B is 84, how many elements are in A but not in B?
How do I do this?

View More
87.A 4.0-kg block is lowered down a 37° incline a distance of 5.0 m from point A to point B. ...

tal force (F = 10 N) is applied to the block between A and B as shown in the figure. The kinetic energy of the block at A is 10 J and at B it is 20 J. How much work is done on the block by the force of friction between A and B?

View More
elow the negative x-axis. A = 2.79 units, and B = 1.82 units. Find A + B and A - B.
A + B
magnitude units
direction counterclockwise from the +x-axis
A - B
magnitude units
direction counterclockwise from the +x-axis

View More
SWER TO EACH QUESTION ON THE APPROPRIATE
LINE ON THE ANSWER SHEET. FOR OTHER QUESTIONS, CLEARLY WRITE THE ANSWER, INCLUDING
UNITS WHEN
NECESSARY, ON THE ANSWER SHEET. SHOW ALL WORK ON A SEPARATE SHEET OF
PAPER.
HAND IN ASSIGNMENT, ANSWER SHEET, AND SCRAP WORK.
1. How many valence electrons are expected for an element that is in group 15/5A of the periodic table?
A. two
B. three C. five D. eight E. ten
2. Which of the following pairs of bonded atoms would be expected to have the longest bond length?
A. C
N B. C
S C. C
B D. C
Fsdfasdfas

View More
90.Let U = {3, 4, 5, 6, 7, 8, 9, 10}, A = {4, 6, 8}, B = ...

. Find the following. (Enter your answers as a comma-separated list.)
(A ∪ B)'

View More
91.i have alot of quetions and i have a test tmrw i need help learning it. one of ...

nd the alomic mass for b if 19.9% of b atoms are 10b with a mass of 10.0129371 amu and 80.1% are 11b with a mass of 11.0093055

View More
of a membrane is 7 mM and the concentration on side B of the membrane is 175 mM, what direction will sodium want to move? Part 2 of the question: If in the situation mentioned, sodium is at equilibrium, what is sodium's contribution to the membrane potential? Which side of the membrane has the more positive charge on it?

View More
of a membrane is 7 mM and the concentration on side B of the membrane is 175 mM, what direction will sodium want to move? Part 2 of the question: If in the situation mentioned, sodium is at equilibrium, what is sodium\''s contribution to the membrane potential? Which side of the membrane has the more positive charge on it?

View More
94.Must know how to use TI 84 Plus CE calculator and be able to teach that skill without wasting time, ...

or give some complimentary/bonus time while you figure it out, or figure out how to do particular things between sessions instead of during the session
Current topics: understand slope and y-intercept and be able to apply it to equations written using different letters instead of m and b or instead of y and x; parallel, perpendicular line equations; calculate slope/gradient of graphs/sides of shapes/equations; calculate midpoint; calculate distance between two points on a graph; find the equation of a line given a graph or given 2 points; learn the meanings of symbols such as R for real numbers, Z for integers' calculate area of a triangle on a graph
The student is in Kazakhstan and speaks Russian and Kazakh fluently, but is intermediate in English. Please speak with her in English as much as possible, but knowing Russian or Kazakh would be a good bonus that would make you preferable to other tutors all else being about the same, though familiarity with TI calculators or the ability to figure them out is also very important.

View More
95.Draw an Epicycloid graph based on the given integer values of s, a, b, and n, where b cannot be ...

onnect a line between every two consecutive points (xi, yi) and (xi+1, yi+1), where 0 <= i <= n.
xi = s * ((a + b) * cos (i * PI) - b * cos ((a + b) / b * i * PI))
yi = s * ((a + b) * sin (i * PI) - b * sin ((a + b) / b * i * PI))
Verify with s = 10, a = 19, b = 5, n = 1000 to get this displayed result.
Note that the sin and cos trigonometry functions accept a radiant value not angle. For example, 30 degree should be replaced with PI/180*30 instead. Moreover, the divisions inside the functions need to be kept in double not int precision in order to render a correct result.

View More
n(A)equals14, n(Upper A intersect Upper B intersect Upper C)equals4, n(Upper A intersect Upper C)equals11, n(Upper A intersect Upper B prime)equals8, n(Upper B intersect Upper C)equals9, n(Upper A prime intersect Upper B prime intersect Upper C prime)equals21, n(Upper B intersect Upper C prime)equals4, n(Upper B union Upper C)equals33
Complete the Venn diagram.
\

View More
et loans (he doesn't "earn" income). With the loans (L) he needs to decide between first period consumption (C1) and investment (I). The amount invested will allow him to get a second period income Y with probability P which is increasing in I (therefore, P(I)), In case of success and the person obtain Y, the individual should use Y to repay the loan (L) that he requested in the first period and consume in the second period (C2). However, with probability 1 - P(I), the person don't get Y and therefore only consume C1. Note that if the individual only invest the loan (L=I) and don't obtain Y, he can't consume anything. That motivates him not to invest the whole loan and keep part of the loan in order to warrant at least first period consumption. Therefore, considering B the parameter for the time preference, the problem would be:
max U=ln(C1) + Bln(C2)
s.t: L = I + C1
Y(I) = L(1+r) + C2
with Probability P(I)
or
s.t: L = I + C1
with probability 1 - P(I)
My question is, Have you ever seen something like this? If yes, how to proceed? What is more important, I really need a bibliography (a book or article talking about this)

View More
98.Hi, I have one question on my math homework that I can't seem to figure out. Please help me! Here ...

is Imagine that in the voting for a certain award, 7 points are awarded for first place, 4 points for second, 3 points for third, 2 points for fourth, and 1 point for fifth. Suppose there were five candidates (A, B, C, D, and E) and 47 voters. When the points were tallied, A had 155 points, B had 173 points, C had 170 points, and D had 154 points. Find how many points E had and give the ranking of the candidates. (Hint: Each of the 47 ballots hands out a fixed number of points. Figure out how many, and take it from there.)

View More
pled 60 adult sea trout caught by fishermen and measured the length of each in inches, simultaneously recording the Sex of each fish. The sample data is presented in columns A and B below. Be sure to watch all Module tutorial videos before attempting lab.

View More
1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

mathematicsalgebra Physics