In Exercises 21 and 22, construct the indicated confidence interval for p1 - p2. Assume
Chapter 8, Problem 22(choose chapter or problem)
In Exercises 21 and 22, construct the indicated confidence interval for p1 - p2. Assume the samples are random and independent Students Planning to Study Health-Related Fields In a survey of10,000 students taking the SAT, 18% were planning to study health-relatedfields in college. In another survey of 8000 students taken 10 years before,16% were planning to study health-related fields in college. Construct a90% confidence interval for p1 - p2, where p1 is the proportion from therecent survey and p2 is the proportion from the survey taken 10 yearsago. (Adapted from The College Board)
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