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 - Check Your Skills - Page 387: 16.17

Answer

As the confidence level increases, z increases and so does the E. This 99% confidence interval would have a larger margin of error than the 95% confidence interval.

Work Step by Step

As the confidence level increases, z increases and so does the E. This 99% confidence interval would have a larger margin of error than the 95% confidence interval.
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