Question: Suppose the following information represents possible future returns for ATT stock next year: State of Economy Probability of state of economy Rate of return if
Suppose the following information represents possible future returns for ATT stock next year:
| State of Economy | Probability of state of economy | Rate of return if state occurs |
| 1 | 0.2 | 12% |
| 2 | 0.2 | 6% |
| 3 | 0.2 | -10% |
| 4 | 0.2 | 22% |
| 5 | 0.2 | 5% |
| 1 |
|
1. What is the expected rate of return for ATT common stock?
2. What is the variance of the return for ATT common stock?
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