You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 0.62. You would like to be 95% confident that your estimate is within 0.02 of the true population proportion. How large a sample size is required? Round your critical value to 2 decimal places. n = 2185 X

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.2: Proportions
Problem 48WE
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You want to obtain a sample to estimate a population proportion. Based on previous evidence, you
believe the population proportion is approximately 0.62. You would like to be 95% confident that your
estimate is within 0.02 of the true population proportion.
How large a sample size is required? Round your critical value to 2 decimal places.
n = 2185
Transcribed Image Text:You want to obtain a sample to estimate a population proportion. Based on previous evidence, you believe the population proportion is approximately 0.62. You would like to be 95% confident that your estimate is within 0.02 of the true population proportion. How large a sample size is required? Round your critical value to 2 decimal places. n = 2185
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