Question: A Find the approximate margin of error when n

a. Find the approximate margin of error when n = 1.
b. Show the two possible percentage outcomes you can get with a single observation. Explain why the result in part a means that with only a single observation, you have essentially no information about the population percentage.
c. How large a sample size is needed to have a margin of error of about 5% in estimating a population percentage?

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  • CreatedSeptember 11, 2015
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