Answer
(b).
Work Step by Step
It is said that the sample is a random sample (more specifically close to a simple random sample). This is the most important requirement to be able to make inference. Thus the answer is (b).
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 25 - Two Categorical Variables: The Chi-Square Test - Check Your Skills - Page 601: 25.29
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