A margin of error within 3% with 90% confidence. We estimate that the population proportion is about

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A margin of error within ±3% with 90% confidence. We estimate that the population proportion is about 0.3.

What sample size is needed to give the desired margin of error in estimating a population proportion with the indicated level of confidence?

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The desired margin of error is ME 003 and we have z 1645 for 90 co...View the full answer

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