Suppose you have $20,000 total. If you put $14,000 in Stock A and the remainder in Stock B, what will be the expected return on your portfolio? What will be the standard deviation on your portfolio?
State of Economy Probability Return on A Return on B
Recession 0.1 -20% 30%
Normal 0.6 10% 20%
Boom 0.3 70% 50%