1. A stock will have a loss of 11 percent in a bad economy, a return of 10.8 percent in a normal economy, and a return of 24.7 percent in a hot economy. There is 32 percent probability of a bad economy, 37 percent probability of a normal economy, and 31 percent probability of a hot economy. What is the variance of the stock's returns?
a. .04097
b. .01536
c. .14313
d. .02049
2. Based on the following information, what is the variance?
State of Economy |
Probability of State of Economy |
Rate of Return if State Occurs |
||
Recession | .28 | − | 10.60% | |
Normal | .31 | 12.10% | ||
Boom | .41 |
23.10% |
a. .01905
b. .02857
c. .03810
d. .08806
e. .13802
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