Guest Session: 1 Question Remaining. Create Account to save progress.
Login
Distributionsmedium
0:00.0

If XXX and YYY are independent random variables such that X∼N(1,2)X \sim N(1, 2)X∼N(1,2) and Y∼N(3,2)Y \sim N(3, 2)Y∼N(3,2), what is the variance of Z=2X−YZ = 2X - YZ=2X−Y?