Sample-size requirement. As in the prior exercise, you are planning a study that intends to estimate a

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Sample-size requirement. As in the prior exercise, you are planning a study that intends to estimate a population proportion with 95%

confidence. How many individuals do you need if you intend to cut your margin of error in half (i.e., m = 0.03)? Why is the sample size requirement for this exercise four times that of Exercise 16.19?

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