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What are the expected value and variance of the following

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What are the expected value and variance of the following probability distribution?

Random variable X              Probability

1                                              0.05

2                                              0.05

3                                              0.10

4                                              0.10

5                                              0.15

6                                              0.15

7                                              0.25

8                                              0.15

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Reference no: EM13604331

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