Assignment4 - BUS 220 Introduction to Decision Sciences...

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1 BUS 220 – Introduction to Decision Sciences Spring 2011 Assignment 4 due on Thursday, 4/28/11 NOTE: The assignment could be done jointly by (at most) 2 students. (Of course, it can be done by a single person.) In any case, the cover page indicating only student(s) names and student id(s) should be attached to each assignment . I will keep this page for my recording purposes. The first page of the solutions to the assignment should also include student(s) names and student number(s), so that you can get the solutions back. The assignment is due BEGINNING of class on the due date.10% of your grade will be deducted if the work is not presented in a clear and neat manner. Problem 1 (30 points) Grear Tire Company has produced a new tire with an estimated mean lifetime mileage of 36,500 miles. Management also believes that the standard deviation is 5000 miles and that tire mileage is normally distributed. Use a worksheet to simulate the miles obtained for a sample of 500 tires. a) ( 10 points ) Use the Excel COUNTIF function to determine the number of tires that last longer than 40,000 miles. What is your estimate of the percentage of tires that will exceed 40,000 miles? b)
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This note was uploaded on 11/18/2011 for the course BUS 220 taught by Professor Drexel during the Fall '08 term at SUNY Stony Brook.

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Assignment4 - BUS 220 Introduction to Decision Sciences...

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