Answer
Adding up the probabilities, we get:
P(Republican) + P(Democrat) = 0.25 + 0.30
= 0.55
Work Step by Step
As given above
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 12 - Introducing Probability - Check Your Skills - Page 298: 12.26
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