Question

From the probability distribution given below, find the mean, variance, standard deviation and expected value of...

  1. From the probability distribution given below, find the mean, variance, standard deviation and expected value of the random variable, X. Round your values for variance and standard deviation to two decimal places (if necessary).

X

27

32

54

63

78

P(X)

5/18

1/4

1/12

2/9

1/6

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Answer #1

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