Variance and standard deviation (expected). Hull Consultants, a famous think tank in the Midwest, has provided probability estimates for the four potential economic states for the coming year. The probability of a boom economy is 14%, the probability of a stable growth economy is 17%, the probability of a stagnant economy is 49%, and the probability of a recession is 20%. Calculate the variance and the standard deviation stock?
Forecasted Returns for Each Economy |
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Boom |
Stable Growth |
Stagnant |
Recession |
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Stock |
25% |
15% |
3% |
−13% |
||||
Corporate bond |
9% |
8% |
6% |
4% |
||||
Government bond |
8% |
7% |
5% |
3% |
What is the variance of the stock investment? (round to five decimal places)
What is the standard deviation of the stock investment? (round to two decimal places)
Please show ALL work
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