Answer
(a). 0.28
Work Step by Step
Combining the two probabilities, we obtain:
$0.18 + 10 = 0.28$
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 19 - From Data Production to Inference: Part III Review - Test Yourself - Page 443: 19.2
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