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# The scores on a precision driving test for prospective drivers at a transit company have a mean of and a standard

## Top Questions

aw scores have a mean of 40 and a standard deviation of 5. Assuming these raw scores form a normal distribution: a) What number represents the 55th percentile (what number separates the lower 55% of the distribution)?
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63 and a standard deviation of 2. Estimate the percentage of scores that were ﻿ (a) between 59 and 67. ﻿ % ﻿ (b) above 69. ﻿ % ﻿ (c) below 59. ﻿ % ﻿ (d) between 57 and 67. ﻿ %
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ence should exist between the population mean and the sample mean for n = 10 scores randomly selected from the population?
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d deviation of 18. What is the minimum score needed to be in the top 10% of the scores on the test? Carry your intermediate computations to at least four decimal places, and round your answer to one decimal place.
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ehalf of their customers, portfolio managers give a questionnaire to new customers to measure their desire to take financial risks. The scores on the questionnaire are approximately normally distributed with a mean of 49 and a standard deviation of 14 The customers with scores in the bottom 10% are described as "risk averse." What is the questionnaire score that separates customers who are considered risk averse from those who are not? Carry your intermediate computations to at least four decimal places. Round your answer to one decimal place.
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0 students). The mean was calculated to be 75%. a. Draw the possible distribution curve. Clearly indicate the direction of the skew. On your diagram label the relative position of the mean, median, and mode.
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Midterm Exam 2 { 30%Final Exam { 50%All exams are out of 100 marks. James received scores of 70 on Midterm Exam 1 and60 on Midterm Exam 2. To receive a nal grade of B+in the course, a student requiresa nal grade of 75% or higher. What is the minimum score James must get on the nalexam in order to receive a nal grade of B+?
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100 and a standard deviation of 15. a. What is the probability that a given applicant will score over 100? b. Determine the probability that a random applicant scores over 135. c. Determine the probability that an applicant scores between 85 and 135.
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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