Question: Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sample space. Suppose that we

Suppose that X, Y, and Z are jointly distributed random variables, that

Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sample space. Suppose that we also have the following. E(X) = 4 E(Y)=-3 E(Z) =-6 %3D Var (X)= 49 Var (Y) = 24 Var (Z) = 6 %3D %3D Compute the values of the expressions below. E (4Y + 1) - I -Y + 5X Var (Z) 4 - 0 E (42) - O

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