Question: Suppose the bivariate discrete random variable (X, Y ) has the joint probability mass function f(x, y) = (x + y) /36, x, y =

Suppose the bivariate discrete random variable (X, Y ) has the joint probability mass function f(x, y) = (x + y) /36, x, y = 1, 2, 3. (a) Find the marginal probability mass functions of X and Y. (b) Are X and Y independent? (c) Find E[Y |X = x] and V[Y |X = x].

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