Answer
3.6 percent
Work Step by Step
We use the margin of error equation to find:
$$=100\times \frac{1}{\sqrt{n}}\\ = 100 \times \frac{1}{\sqrt{787}} \\ =3.6\text{%}$$
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 771: 30b
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