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Let X and Y be jointly normal random variables with parameters ux = 2, of = = 4, My = 1, 2 = 9, and

Let X and Y be jointly normal random variables with parameters ux = 2, of = = 4, My = 1, 2 = 9, and p = - a. Find E[Y X = 3]. b. Find Var(Y X = 2). c. Find P(X + 2Y

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