Answer
.35
Work Step by Step
For dependent events, we know the following equation:
$$ P(A\ and \ B)=P(A) \cdot P(B|A) $$
Thus, we find:
$$ P(A\ and \ B)=(.7)(.5)=.35 $$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 10 Counting Methods and Probability - 10.5 Find Probabilities of Independent and Dependent Events - 10.5 Exercises - Skill Practice - Page 721: 17
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