Answer
95% confidence interval.
Work Step by Step
The higher the confidence level, the less precise the estimates will be, hence the wider the confidence interval will be. Hence the answer is the 95% confidence interval.
Essentials of Statistics (5th Edition)
by Triola, Mario F.
Published by
Pearson
ISBN 10:
0-32192-459-2
ISBN 13:
978-0-32192-459-9
Chapter 7 - Estimates and Sample Sizes - 7-2 Estimating a Population Proportion - Page 331: 4
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