College Algebra (6th Edition)

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

Chapter 8 - Summary, Review, and Test - Review Exercises - Page 790: 87



Work Step by Step

We know that $probability=\frac{\text{number of favourable outcomes}}{\text{number of all outcomes}}$ The total number of students who went to public college (the number of all outcomes) is $252$ By using the table, out of the $252$ students, there are $120$ who qualify for the low income bracket, thus there are $120$ "good outcomes". Hence the probability here is: $\frac{120}{252}=\frac{10}{21}$
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