Find the expected value of the random variable. 3 4 P(x) 0.2 0.3 0.4 0.1
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Solution-:
We have following table:
| X | P(X) |
| 2 | 0.2 |
| 3 | 0.3 |
| 4 | 0.4 |
| 5 | 0.1 |
We find expected value of random variable X?
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