Thinking Mathematically (6th Edition)

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

Chapter 11 - Counting Methods and Probability Theory - Chapter Summary, Review, and Test - Review Exercises - Page 761: 103

Answer

$=\frac{15,256}{31,593}\approx0.483$

Work Step by Step

We know that $probability=\frac{\text{number of favourable outcomes}}{\text{number of all outcomes}}$ The number of all outcomes is $31,593$. The number of good outcomes is $4095+11,161=15,256$ Thus probability$=\frac{15,256}{31,593}\approx0.483$
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