From Formula 7.2, an estimate for margin of error for a 95% confidence interval is where n
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From Formula 7.2, an estimate for margin of error for a 95% confidence interval is
where n is the required sample size and p̂ is the sample proportion. Since we do not know a value for p̂, we use a conservative estimate of 0.50 for p̂. Replace p̂ with 0.50 in the formula and simplify.
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ANSWER If we replace p with 050 in the formula for the m...View the full answer
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Related Book For 
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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