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Given the following table of a random variable X and corresponding probabilities: X P(X) 0 .12 1 .18 2 c 3 .23 4 .15 5
- Given the following table of a random variable X and corresponding probabilities:
X | P(X) |
0 | .12 |
1 | .18 |
2 | c |
3 | .23 |
4 | .15 |
5 | .08
|
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- What should c be for this to be a probability distribution of X?
-
- Compute the mean or expected value
-
- Compute the variance
-
- Compute the standard deviation
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