Thinking Mathematically (6th Edition)

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

Chapter 11 - Counting Methods and Probability Theory - 11.4 Fundamentals of Probability - Exercise Set 11.4: 58

Answer

0.14

Work Step by Step

P(E) = $\frac{no.\ of\ outcomes\ in\ favor}{Total\ no.\ of\ outcomes}$ The table in the book shows the distribution of people who live alone. We use the data to find the probability of a given outcome. We know that there are 29.3 million total outcomes. E: in the 35–44 age range. Favorable outcomes= {4.2 million} P(E) = $\frac{4.2}{29.3}$ =0.14
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