Question: Refer to Exercise 2.3 and the data on the number of extracurricular activities in which 30 students participated in the past week. These data have

Refer to Exercise 2.3 and the data on the number of extracurricular activities in which 30 students participated in the past week. These data have
n = 30 = 1.925 s = 1.607 activities
(a) Obtain a 98% confidence interval for μ, the population mean number of activities.
(b) In a long series of experiments, each involving different students, what proportion of the intervals would cover μ?

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