College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter 8 - Sequences, Induction, and Probability - Exercise Set 8.7 - Page 784: 32

Answer

$\frac{1}{6}$

Work Step by Step

We know that $probability=\frac{\text{number of favourable outcomes}}{\text{number of all outcomes}}$ The total population (the number of all outcomes) is $174$ By using the table, the total number of people who have not completed four years of high school are the people who are in the less than 4 years category, which here is $29$ Hence the probability here is: $\frac{29}{174}=\frac{1}{6}$
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