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3) The joint probability function of the random variables X and Y is given by, p(1,1) = 0.35 p(1,2) = 0.1 p(1,3) = 0.1 p(2,1) = 0.05 p(2,2) = 0.05 p(2,3) = 0.1 p(3,1) = 0.1 p(3,2) = 0.1 p(3,3) = 0.05 a) Compute the conditional probability function of Y given X=1 b) Are X and Y independent? 0) Compute P(X + Y > 4-) d) Compute P(X Y = 3)