A margin of error within 0.5 with 90% confidence, if we make a reasonable estimate that

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A margin of error within ±0.5 with 90% confidence, if we make a reasonable estimate that σ = 25

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

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Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock

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Question Posted: Dec 04, 2018 09:47 AM

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A margin of error within 0.5 with 90% confidence, if we make a reasonable estimate that

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The desired margin of error is ME 05 and we have z 1645 for 90 confi...View the full answer

Statistics Unlocking The Power Of Data

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