Solution :
Var(Y) = 1/9 V(X) + V(X)
= 1/9 * 3 + 3
= 1/3 + 3
= 10 / 3
Variance of Y = 10/3 = 3.333
If E(X) = 5, V(X) = 3, and Y = 5 - - X, what is the mean of Y?
E = "Expected Value"
V = "Variance"
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