If XXX and YYY are independent random variables, what is the covariance Cov(2X,3Y)Cov(2X, 3Y)Cov(2X,3Y)?
6Cov(X,Y)6 Cov(X, Y)6Cov(X,Y)
5Cov(X,Y)5 Cov(X, Y)5Cov(X,Y)
000
Cov(X,Y)Cov(X, Y)Cov(X,Y)