A Population Proportion · Exercise 34
Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car.
(a) When designing a study to determine this population proportion, what is the minimum number you would need to survey to be 95% confident that the population proportion is estimated to within 0.03?
(b) If it were later determined that it was important to be more than 95% confident and a new survey was commissioned, how would that affect the minimum number you would need to survey? Why?
OpenStax, Introductory Statistics 2e · §8.3 A Population Proportion · Exercise 34
No hints for this one.
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