College Algebra 7th Edition

Published by Brooks Cole
ISBN 10: 1305115546
ISBN 13: 978-1-30511-554-5

Chapter 1, Equations and Graphs - Section 1.8 - Solving Absolute Value Equations and Inequalities - 1.8 Exercises: 58


$62.4\leq h\leq 74.0$

Work Step by Step

$| \frac{h-68.2}{2.9}|\leq 2$ $-2\leq\frac{h-68.2}{2.9}\leq 2$ $-2*2.9\leq h-68.2\leq 2*2.9$ $-5.8\leq h-68.2\leq 5.8$ $62.4\leq h\leq 74.0$ This means that 95% of adult males fall within 2 inches of 68.2" in height (between 74 and 62.4 inches).
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