The Basic Practice of Statistics 7th Edition

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

Chapter 23 - Comparing Two Proportions - Chapter 23 Exercises - Page 553: 23.17a

Answer

Yes.

Work Step by Step

A big confidence interval can be used if the number of successes and failures is both at least $10$ of both samples. Thus here we can use a big confidence interval.
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