Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 11 - Counting Methods and Probability Theory - 11.6 Events Involving Not and Or; Odds - Exercise Set 11.6: 87

Answer

$\frac{3}{7}$

Work Step by Step

If the odds in favor of event E are a to b, then the probability of the event is given by P(E) = $\frac{a}{a+b}$ If you are given odds of 3 to 4 in favor of winning a bet, the probability of winning is: P(E) = $\frac{3}{3+4}$ = $\frac{3}{7}$
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