Answer
1
Work Step by Step
p +- z $\sqrt \frac{p(1-p)}{n+4}$
= .1 +- 1.96 $\sqrt \frac{1(1-1)}{20}$
= 1
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 - Apply Your Knowledge - Page 531: 22.14a
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