If Cov(X,Y)=2Cov(X, Y) = 2Cov(X,Y)=2 and Var(X)=4,Var(Y)=1Var(X) = 4, Var(Y) = 1Var(X)=4,Var(Y)=1, what is the correlation coefficient ρXY\rho_{XY}ρXY?
0.5
1
2
0.25