Question: 7.42. For the random variable (X, Y) defined in Problem 6.15, evaluate E(X | y), E(Y | x), and check that E(X) =E[E(XY)] and E(Y)

7.42. For the random variable (X, Y) defined in Problem 6.15, evaluate E(X | y), E(Y | x), and check that E(X) =E[E(XY)] and E(Y) =E[E(Y | X)]. 7.43. Prove Theorem 7.16.

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