## Thinking Mathematically (6th Edition)

Published by Pearson

# Chapter 11 - Counting Methods and Probability Theory - 11.4 Fundamentals of Probability - Exercise Set 11.4 - Page 717: 69

#### Answer

$\frac{11}{87}$

#### Work Step by Step

P(E) = $\frac{no.\ of\ outcomes\ in\ favor}{Total\ no.\ of\ outcomes}$ We use the data in the table from the textbook to find the probability of a given education level. A total of 174 million people were included in the US Census Bureau study. E: Was a woman with four years of college or more Favorable outcomes= {22} P(E) = $\frac{22}{174}$ = $\frac{11}{87}$

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