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If X, Y are random variables with E(X) = 2, Var(X) = 3, E(Y) = 1,...

If X, Y are random variables with E(X) = 2, Var(X) = 3, E(Y) = 1, Var(Y) =2, ρX,Y = −0.5

(a) For Z = 3X − 1 find µZ, σZ.

(b) For T = 2X + Y find µT , σT

(c) U = X^3 find approximate values of µU , σU

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