Answer
There is sufficient evidence to support the claim
Work Step by Step
p = $\frac{528}{800}$ = .66
z = $\frac{p - p0}{\sqrt \frac{p0(1-p0)}{n}}$ = $\frac{,66 - .54}{\sqrt \frac{.54(1-.54)}{800}}$ = 6.81
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 - Chapter 22 Exercises - Page 534: 22.28a
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