[Solution] If X has the following probability distribution X P(X) 1 0.1 2 0.5 3 0.2 4 0.2 Compute the expected value of X Compute the standard deviation
Question: If \(X\) has the following probability distribution
| X | P(X) |
| 1 | 0.1 |
| 2 | 0.5 |
| 3 | 0.2 |
| 4 | 0.2 |
- Compute the expected value of \(X\)
- Compute the standard deviation of \(\mathrm{X}\).
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