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You may need to use the appropriate appendix table or technology to answer this question. In a survey, the planning value for the population proportion
You may need to use the appropriate appendix table or technology to answer this question.
In a survey, the planning value for the population proportion is
p* = 0.21.
How large a sample should be taken to provide a 95% confidence interval with a margin of error of 0.05? (Round your answer up to nearest whole number.)
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