The probability distribution of the discrete random

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Reference no: EM13613403

The probability distribution of the discrete random variable X is given by the following table.

x

1

2

3

4

5

P(X = x)

0.20

0.38

0.15

0.25

0.02

(a) Calculate the expected value of X.

(b) Calculate the variance

(c) Calculate the standard deviation

Reference no: EM13613403

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