Question: If X , Y ar random variables as above and c 1 , c 2 are constants, write the formulas for E ( c 1

If X,Y ar random variables as above and c1, c2 are constants, write the formulas for E(c1X+c2Y), Var(c1X+C2Y), and Q(b)=Var(Y-bX)^2, where b is scalar

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