Statistics HW6 - AEM 210 Spring 2008 Homework 6 1 Name...

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AEM 210 Name __________________ Spring 2008 Section_________________ Homework 6 1.) The weight of a randomly chosen American passenger car is a uniformly distributed random variable ranging from 2,500 pounds to 4,500 pounds. (Data are from Popular Science 254-258). a.) What is the mean weight of the vehicles? The standard deviation? The first and third quartiles? The median? b.) What is the probability that a vehicle will weigh less than 3200 pounds? More than 4,400 pounds? 2.) From Your Textbook, Page 200, # 5.14 and # 5.15. 3.) The random number generator in a software program randomly generates a number between 0 and 1. The random variable, X, the number generated, follows a Uniform Probability Distribution. a.) What is the probability of generating a number between 0 and 0.2? b.) What is the probability of generating a number between 0.25 and 0.6? c.) What is the probability of generating a number greater than 0.95? d.) Use Minitab to randomly generate 200 numbers between 0 and 1. To do this, go to Calc Random Data Uniform . The window should look as below. Note: Newer versions of Minitab may have a slightly different layout
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What proportion of the numbers are between 0 and 0.2?
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