Question: please see the picture below The joint density function of X and Y is given by f(I, y) = e VI /2 . ye y

please see the picture below

The joint density function of X and Y is given by f(I, y) = e VI /2 . ye y -00 0 and 0 elsewhere. Are X and Y independent of each other? Justify your reasoning. Find E(X). (Hint: use double expectation theorem.) Find E(X2Y ? )

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