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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The desired margin of error is ME 05 and we have z 1645 for 90 confi...View the full answer
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Related Book For
Statistics Unlocking The Power Of Data
ISBN: 9780470601877
1st Edition
Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock
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