Hw3solutions - X •(2.5 points What is the standard deviation of X •(2.5 points Determine the value x so that X is greater than x 80 of the time

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AD Number________ Name_________________________ Score_____ IE 300 / GE 331 HW3 (2.5 points) The cumulative distribution function of a random variable X is given in 4-22. Determine the probability density function of X (2.5 points) Compute the mean of
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Unformatted text preview: X • (2.5 points) What is the standard deviation of X • (2.5 points) Determine the value x so that X is greater than x 80% of the time P(X>x) = 1- F(x) = 0.8, F(x) =0.25x+0.5= 0.2, x=-1.2....
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This note was uploaded on 03/16/2010 for the course GE 331 taught by Professor Negarkayavash during the Spring '09 term at University of Illinois at Urbana–Champaign.

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