A Wendy's manager performed a study to determine a probability distribution for the number of people, X.

a) Verify that this is a discrete probability distribution.

c) Compute and interpret the mean of the random variable X.

d) Compute the standard deviation of the random variable X.

e) What is the probability that eight people are waiting in line for lunch?

0(0.011)+1(0.035)+2(0.089)+3(0.150)+4(0.186)+5(0.172)+6(0.132)+7(0.098)+8(0.063)+9(0.035)+10(0.019)+11(0.004)+12(0.006)

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