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) =-3 Var (X) = 42 Var(r)- 43 Var (2) = 15 E(Y) --s E(Z) =-6 Compute the values of the expressions below. E(-5+12) - 0 -("") -0 -47+ 4X Far (47) - 4 - 0 E(ur) -0

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