Suppose that a joint p.d.f. of X and Y is xyf (x, y) = Midze (litAzy), x, y > 0, and fx.y (x. y) =
Suppose that a joint p.d.f. of X and Y is xyf (x, y) = Midze (litAzy), x, y > 0, and fx.y (x. y) = 0 otherwise, where Al and 12 are positive constants. (a) Find the distribution of Z = X/Y. Compute the covariance between Z and Y. (b) Let W = min(X, Y). Determine the distribution of W and compute the variance of W
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