What are the expected value and variance of the following probability distribution? X p
Question: 31 What are the expected value and variance of the following probability distribution?
| X | p |
| 1 | 0.05 |
| 2 | 0.05 |
| 3 | 0.1 |
| 4 | 0.1 |
| 5 | 0.15 |
| 6 | 0.15 |
| 7 | 0.25 |
| 8 | 0.15 |
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