Suppose that X, Y, and Z are jointly distributed random variables, that is, they are defined on the same sar Suppose that we also have the following. E(Y) = 8 E(Z)=6 Var (Y) = 16 Var (Z) = 33 Compute the values of the expressions below. E(X)=-5 Var (X)=24 E (4Y+4)= 36 E(-4Z+2X)- -3 = 11.33 Var (4Y)-2= 254 E(-x²) = 49 010

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