Question: For the joint random variables, X and Y, E(X) = 4, E(Y) = 6, V(X) = 2, V(Y)= 4, Cov(X,Y)=-2. Calculate the value of

For the joint random variables, X and Y, E(X) = 4, E(Y) = 6, V(X) = 2, V(Y) = 4, Cov(X,Y)=-2. Calculate the

For the joint random variables, X and Y, E(X) = 4, E(Y) = 6, V(X) = 2, V(Y)= 4, Cov(X,Y)=-2. Calculate the value of V(2X - Y): a) 16 b) 20 c) 12 d) 4 e) 36

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