Isaiahgardiner3231 Isaiahgardiner3231

22-04-2020
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How large of a sample size would you need to estimate a population proportion if you wanted to construct a 95% confidence interval

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olatunjiayom olatunjiayom

27-04-2020

Answer:

Explanation:

To find a 95% CI with a margin of error no more than ±3.5 percentage points, where the true population proportion is around 42%, you must survey at least 764 people. 10×764 = 7640; presumably the electorate is larger than that.

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