Let X and Y be continuous r.v.s with the following joint PDF:fX,Y (x, y) = 1/y for 0 < x < y and 0 < y < 1,                     0 otherwise.(a) Compute the conditional expectation of X given Y = y.(b)  Compute the conditional variance of X given Y = y.(c)  Compute the conditional expectation of Y given X = x

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