2. a) Given E(x)=2 and V(x)=2, let y=2-3x. Find E(Y) and V(Y) b) Given E(x)= -4 and V(x) = 5, let y= -4x-1. Find E(Y) and V(Y) c) Given E(x) = u and V(x) = o2 , let y= 7-4x. Find E(Y) and V(Y)
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