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1. The random variable X is given by the following PDF. f (a?) = {%(1 m2) ,0 g x 3 l (9 points each) A.

1. The random variable X is given by the following PDF. f (a?) = {%(1 m2) ,0 g x 3 l (9 points each) A. Check that this is a valid PDF B. Calculate expected value of X C. Calculate the standard deviation of X

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