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If you have to build a 90% confidence interval for a population parameter with a 2% margin of error (MOE), what approximate sample size (n)

If you have to build a 90% confidence interval for a population parameter with a 2% margin of error (MOE), what approximate sample size (n) will help you achieve that? Hint: The Z-score for a 90% confidence interval is 1.645. 1800 1651 1691 1740

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