You have a portfolio which is comprised of 40 percent of stock A and 60 percent of stock B. What is the variance of the portfolio?
State of the Economy | Probability | E(R)A | E(R)B | ||||||||
40 | % | 60 | % | ||||||||
Normal | 0.7 | 12 | % | 14 | % | ||||||
Recession | 0.3 | -7 | % | -10 | % | ||||||
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