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If a 99​% confidence level is​ used, how many people should be included in the survey...

If a 99​% confidence level is​ used, how many people should be included in the survey if the researchers wanted to have a margin of error of 5​%?

How would the sample size change if the researchers wanted to estimate the percentage with a margin of error of 3​%?

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If a 99​% confidence level is​ used, how many people should be included in the survey if the researchers wanted to have a margin of error of 5​%?

Where:

is the critical value at the 0.01 significance level.

How would the sample size change if the researchers wanted to estimate the percentage with a margin of error of 3​%?

Answer:

orchestra answered 1 year ago
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