Let X and Y be two independent random variables with Var(X)Var(= 9 and Var(Y)Var(Y) =3, find Var(4X−2Y+6)Var(4X−2Y+6)
A. 100
B. 140
C. 156
D. None of the above
Answer:B
Let X and Y be two independent random variables with Var(X)Var(= 9 and Var(Y)Var(Y) =3, find Var(4X−2Y+6)Var(4X−2Y+6)
A. 100 B. 140 C. 156 D. None of the above