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Problem 1.2 Let X and Y be statistically independent random variables with probability density functions Px(x) = (x+ 1)+ 5(x-1) and p (y) = exp(-y/20?)/(2no?)1/2,

Problem 1.2 Let X and Y be statistically independent random variables with probability density functions Px(x) = (x+ 1)+ 5(x-1) and p (y) = exp(-y"/20?)/(2no?)1/2, and let Z = X + Y, and W = XY. (a) Express F (2) = P[X + Y

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