ns Exercise 08.34 Algo (Population Proportion) At 90% confidence, how large a sample should be taken to obtain a margin of error of 0.045 for the estimation of a population proportion? Assume that past data are not available for developing a planning value for $p^*$. Round up to the next whole number.
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Since we are looking for a margin of error, we will use the z-score for a 90% confidence level, which is approximately 1.645. Show more…
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