In a random sample of 400 measurements, 227 of the measurements possess the characteristic of interest, A.
Question:
a. Use a 95% confidence interval to estimate the true proportion p of measurements in the population with characteristic A.
b. How large a sample would be needed to estimate p to within .02 with 95% confidence?
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a b Of the 400 observations 227 had the characteristicp 227400 5...View the full answer
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Related Book For 
Statistics For Business And Economics
ISBN: 9780321826237
12th Edition
Authors: James T. McClave, P. George Benson, Terry T Sincich
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