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E( X) =5 E(Y) = 7 E (Z ) = 1 Var (X) =29 Var(Y ) =1 Var(Z ) =10 Compute the values of the

E( X) =5 E(Y) = 7 E (Z ) = 1 Var (X) =29 Var(Y ) =1 Var(Z ) =10 Compute the values of the expressions below. 00 E(- X-5) =0 3X - 3Y X E -4 Var (-2Y ) + 3= 0 E(2Y2)= 0

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