Answer Happy

1) The joint probability mass function of X & Y are given below: X 1 2. 3 4 10.09 0.03 0.01 0.01 N 0.02 0.15 0.03 0.01 Y 3 0.01 0.01 0.24 0.04 4 0.00 0.01 0.02 0.32 1) Show that this is a valid joint probability mass function 2) E(XY=2) = ? 3) Corr(X,Y)= ?. Write down the comment