Answer
$P(junior~or~senior)=43$% $=0.43$
Work Step by Step
The events "winner is a junior" and "winner is a senior" are independent.
$P(junior~or~senior)=P(junior)+P(senior)=25+18=43$%
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Chapter 11 - Review Exercises - Page 842: 95a
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