# Question

Refer to Exercise.

a. Graph the probability distribution.

b. Find the mean and standard deviation of x.

c. Show the mean and the two-standard-deviation interval on each side of the mean on the graph you drew in part a.

a. Graph the probability distribution.

b. Find the mean and standard deviation of x.

c. Show the mean and the two-standard-deviation interval on each side of the mean on the graph you drew in part a.

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