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# what models have we studied in class that can be used to explain the fact that most multinationals originate

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chets and sells baby blankets, b. Each blanket requires 3 skeins of yarn, and the total number of skeins Facundo uses, y, varies directly as the number of blankets he crochets, b. Write an equation that models this relationship. 2. The weight of an object, w, varies inversely as the square of its distance from the center of Earth, d. When an astronaut stands in a training center on the surface of Earth (3,960 miles from the center), she weighs 155 pounds. To the nearest tenth of a pound, what will be the approximate weight of the astronaut when she is standing on a space station, in orbit 240 miles above the training center? 3. The square of g varies inversely as h. When g = 16, h = 2. What is the value of h when g = 40? 4. The number of days, d, it will take Manny to read a book varies inversely as the number of pages, p, he reads per day. If k is the constant of variation, which equation represents this situation? 5. The battery life for Bruhier’s cell phone is longer when he has fewer apps running. When only one app is running, the battery will last for 16 hours. When four apps are running, the battery will only last for 4 hours.
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each type of classification error. [Note that all bank models here include only profits and losses within three years of when a card is issued, so the impact of out-years (years beyond 3) can be ignored.] Cost Per False Negative: \$5000 Cost Per False Positive: \$2500 For the 600 individuals that were automatically given cards without being classified, the total cost of the experiment turned out to be 25%*(\$5000)*600 or \$750,000. This is \$1,250 per event. Only models with lower cost per event than \$1,250 should have any value. Question: What is the threshold score on the Training Set data for your model that minimizes Cost per Event? You will need this number to answer later questions. Hint: Using theAUC Calculator Spreadsheet, identify which Column displays the same cost-per-event (row 17) as the overall minimum cost-per-event shown in Cell J2. The threshold is shown in row 10 of that Column. What the threshold means is that at and above this number everything is classified as a "default."
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each type of classification error. [Note that all bank models here include only profits and losses within three years of when a card is issued, so the impact of out-years (years beyond 3) can be ignored.] Cost Per False Negative: \$5000 Cost Per False Positive: \$2500 For the 600 individuals that were automatically given cards without being classified, the total cost of the experiment turned out to be 25%*(\$5000)*600 or \$750,000. This is \$1,250 per event. Only models with lower cost per event than \$1,250 should have any value. Question: What is the threshold score on the Training Set data for your model that minimizes Cost per Event? You will need this number to answer later questions.
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1.AU MAT 120 Systems of Linear Equations and Inequalities Discussion

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