Answer
(a) 0.950
Work Step by Step
We find:
P(student is over 25 years old) + P(student is local) = 0.7 + 0.25 = 0.95
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: 19.43
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