You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p∗=31%p∗=31%. You would like to be 98% confident that your esimate is within 0.2% of the true population proportion. How large of a sample size is required? n =

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately p∗=31%p∗=31%. You would like to be 98% confident that your esimate is within 0.2% of the true population proportion. How large of a sample size is required?

n = 



Do not round mid-calculation. However, use a critical value accurate to three decimal places.

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