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.


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  • CreatedMay 28, 2015
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