Seat belt use. The proportion of drivers who use seat belts depends on things like age
Chapter 0, Problem 20.31(choose chapter or problem)
Seat belt use. The proportion of drivers who use seat belts depends on things like age, gender, ethnicity, and local law. As part of a broader study, investigatorsobserved a random sample of 117 female Hispanic drivers in Boston; 68 of thesedrivers were wearing seat belts.18 Give a 95% confidence interval for theproportion of all female Hispanic drivers in Boston who wear seat belts. Followthe four-step process as illustrated in Example 20.5.
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