Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 7 - Estimates and Sample Sizes - 7-2 Estimating a Population Proportion - Basic Skills and Concepts: 4

Answer

95 % Confidence interval

Work Step by Step

The higher the confidence level is, the less precise the estimates would be. Therefore, the wider the confidence interval will be. And as a result, the 95 % confidence interval is the answer
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