A margin of error within 2% with 95% confidence. An initial small sample has p = 0.78.
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A margin of error within ±2% with 95% confidence. An initial small sample has p̂ = 0.78.
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 002 and we have z 196 for 95 confidence We use th...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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