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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Introductory Statistics Exploring The World Through Data

ISBN: 9780135163146

3rd Edition

Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan

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Question Posted: Jul 14, 2021 04:03 AM

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From Formula 7.2, an estimate for margin of error for a 95% confidence interval is where n

Question:

P(1 – ) m = 2

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ANSWER If we replace p with 050 in the formula for the m...View the full answer

Introductory Statistics Exploring The World Through Data

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