Answer
4148
Work Step by Step
n = $\frac{(z/2)^2 \times p(1-p)}{E^2}$ = $\frac{2.575^2 \times .5(1 - .5)}{.02^2}$ = 4148
The Basic Practice of Statistics 7th Edition
by Moore, David S.; Notz, William I.; Fligner, Michael A.
Published by
W. H. Freeman
ISBN 10:
146414253X
ISBN 13:
978-1-46414-253-6
Chapter 22 - Inference about a Population Proportion - Check Your Skills - Page 533: 22.19
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