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What sample size is needed to give a margin of error within ±2% in estimating a population proportion with 90% confidence? We estimate that the population proportion is about 0.4. Round your answer up to the nearest integer. Sample size =

What sample size is needed to give a margin of error within ±2% in estimating a population proportion with 90% confidence? We estimate that the population proportion is about 0.4. Round your answer up to the nearest integer. Sample size =

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What sample size is needed to give a margin of error within ± 2 % in estimating a population proportion with 90 % confidence? We estimate that the population proportion is about 0.4 .
Round your answer up to the nearest integer.
Sample size = i ◻ !

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