11. 6 let x and y be independent and identically distributed random variables such that 1 p(x = 0) = p(x = 1) = . let z = x+ y and w = x - y. please explain.

11. 6 Let X and Y be independent and identically distributed random variables such that 1 P(X = 0) = P(X = 1) = . Let Z = X+ Y and W = X - Y|. Then which statement is not correct? (A) X and W are independent. (B) Y and W are independent. (C) Z and W are uncorrelated. (D) Z and W are independent.