Answer
The answer is below.
Work Step by Step
We find that the interval is:
$$14 \pm 4.8 \\ \text{Between 9.2% and 18.8%}$$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 11 Data Analysis and Statistics - 11.4 Select and Draw Conclusions from Samples - 11.4 Exercises - Problem Solving - Page 770: 27B
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