Question: 8. For system of random variables U, Z given that E[U] = -2, Var[U] = 4, E[Z] = 3, Var[Z] = l, pxy= .5 compute

8. For system of random variables U, Z given that E[U]

8. For system of random variables U, Z given that E[U] = -2, Var[U] = 4, E[Z] = 3, Var[Z] = l, pxy= .5 compute E[2U + 32 . 2] ,Var[2U + 32 - 2]

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