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Below is a table showing the probability distribution for the

Below is a table showing the probability distribution for the random variable “number of flaws” described in Exercise 3.

Flaws Probability

x P(x)

0....... .93

1....... .05

2....... .02

a. Graph the distribution.

b. Compute the expected value, the variance and the standard deviation of the random variable.

Flaws Probability

x P(x)

0....... .93

1....... .05

2....... .02

a. Graph the distribution.

b. Compute the expected value, the variance and the standard deviation of the random variable.

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