Question
Let X be a discrete random variable with values 1,2,3,4,5 and corresponding proba- bilities 1/7, 1/14,...
Let X be a discrete random variable with values 1,2,3,4,5 and corresponding proba- bilities 1/7, 1/14, 3/14, 2/7, 2/7. a) Compute E(X) b) compute E[|X − 2|].
Homework Answers
Answer #1
Solution:
| X | P(X) | X.P(X) |
| 1 |  |
 |
| 2 |  |
|
| 3 |  |
 |
| 4 |  |
 |
| 5 | |
 |
| Total | 1 |  |
a) Compute E(X)
Answer:
b) compute E[|X − 2|]
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