The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 146414253X
ISBN 13: 978-1-46414-253-6

Chapter 16 - Confidence Intervals: The Basics - Apply Your Knowledge - Page 379: 16.3b

Answer

For n = 25, select a random sample 25 times. The confidence interval will contain the true population mean 80% of the time (i,e,, 20 out of 25 samples). The remaining 5 samples may have missed the true value of the mean.

Work Step by Step

For n = 25, select a random sample 25 times. The confidence interval will contain the true population mean 80% of the time (i,e,, 20 out of 25 samples). The remaining 5 samples may have missed the true value of the mean.
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