If the joint pdf of the random variables X and Y is f X,Y (x, y) =
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If the joint pdf of the random variables X and Y is fX,Y (x, y) = ke−(2/3)[(1/4)x2−(1/2)xy+y2] find E(X), E(Y), Var(X), Var(Y), ρ(X,Y), and k.
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