If you want to be 99% confident of estimating the population proportion to within a sampling error

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If you want to be 99% confident of estimating the population proportion to within a sampling error of ± 0.04, what sample size is needed?
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Business Statistics A First Course

ISBN: 9780321979018

7th Edition

Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan

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