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Suppose that the following is true for random variables X and Y.E(X)=0, E(Y)=1, V(X)=9, V(Y)=16, r xy = 0.5. a)Find E(3X + 2Y) b)Find E(5X

Suppose that the following is true for random variables X and Y.E(X)=0, E(Y)=1, V(X)=9, V(Y)=16, r_xy = 0.5.

a)Find E(3X + 2Y)

b)Find E(5X + 3Y + 4X² + 3Y²)

c)Find V(3X + 2Y)

d)Let W = 4X+5 and Z = 7Y-3.Find V(2W+Z)

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