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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|].

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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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