Let the joint discrete pmf X and Y be defined by for x = 1,2, y = {1,2,3,4} a.) Find marginal probability fx(x) of X. b.) Find marginal probability fy (Y) of Y. c.) Find P(XY) d.) Find P(Y2X) e.) Find P(X + Y = 3) f.) Find E[X] and E[Y] and E[XY] g.) Cov and correlation coefficient x+y f(x,y) = 32

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