Answer
$.9$
Work Step by Step
$P(e)$ is $.2$ because the probabilities must add up to 1.
$P(${a,c,e}$)=.1+.6+.2=.9$
Finite Math and Applied Calculus (6th Edition)
by Waner, Stefan; Costenoble, Steven
Published by
Brooks Cole
ISBN 10:
1133607705
ISBN 13:
978-1-13360-770-0
Chapter 7 - Section 7.3 - Probability and Probability Models - Exercises - Page 482: 1a
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