4. Calculate the expected return, variance, and standard deviation for the stocks in the table below. Product Probability Stock #1 Stock #2 Stock #3 Demand High 20% 30% 20% 15% Medium 60% 12% 14% 10% Low 20% -10% -5% -29% A B D E F G 2 Stock 2 Stock 3 3 Probability Stock 1 20% 30 60% 12 20% -10 15 4 5 20 14 10 5 6 -5 -2 6 7 8 8 Var 9 Std. Dev 10 Expected Return 11 12 13 Follow the instructions on the exercise sheet. 14 15 16 17