Stats: Data and Models (3rd Edition)

by De Vaux, Richard D.; Velleman, Paul D.; Bock, David E.

Published by Pearson

ISBN 10: 0321692551

ISBN 13: 978-0-32169-255-9

Chapter 19 - Confidence Intervals for Proportions - Exercises - Page 473: 1

Answer

See below.

Work Step by Step

The margin of error is $4\%$, thus the sample proportion varies on average by $4\%$ from the population proportion.

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