Question: 14. Let the joint probability density function of X and Y be given by f (x, y) = B yey(1+x) if x > 0, y

14. Let the joint probability density function of X and Y be given by f (x, y) = B ye−y(1+x) if x > 0, y > 0 0 otherwise.

(a) Show that E(X) does not exist.

(b) Find E(X|Y ).

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