Answer
(b) 0.87
Work Step by Step
We know:
P(over 25 | not local) = P(over 25 and not local) / P(not local)
Thus, it follows:
= 0.65 / 0.75 = 0.87
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 449: 19.45
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