assume covariance of X,Y is 0.2 if Var(X)=Var(Y)=1 calculate the R square 0.04 0.016 0.25 NONE OF THE ABOVE

assume covariance of X, Y is -02 if Var(X)=Var(Y) 1 calculate the R square O O O O 0 04 0 016 025 NONE OF THE ABOVE