# Question

For each of the following, calculate μx σ2 and σx by using the formulas given in this section. Then (1) interpret the meaning of, and ( 2) find the probability that x falls in the interval [μx ( 2σx]

a. The situation of Exercise 5.22, where the number of the six customers who will make a purchase.

b. The situation of Exercise 5.23, where x the number of 15 sampled customers whose com-plaints were resolved to the customer’s satisfaction.

c. The situation of Exercise 5.24, where x the number of the 24 randomly selected golf balls that exceed 1.62 oz. in weight.

a. The situation of Exercise 5.22, where the number of the six customers who will make a purchase.

b. The situation of Exercise 5.23, where x the number of 15 sampled customers whose com-plaints were resolved to the customer’s satisfaction.

c. The situation of Exercise 5.24, where x the number of the 24 randomly selected golf balls that exceed 1.62 oz. in weight.

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