Answer
See below
Work Step by Step
The probability of event A is 0.3
$$\frac{P(A)}{P(A)+P(O)}=0.3\\P(A)=0.3P(A)+0.3P(O)\\0.7P(A)=0.3P(O)\\\frac{P(A)}{P(O)}=\frac{0.3}{0.7}=\frac{3}{7}$$
The odds in favor of event A is $\frac{3}{7}$
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 - 10.3 Define and Use Probability - 10.3 Exercises - Skill Practice - Page 702: 27
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