The Basic Practice of Statistics 7th Edition

Published by W. H. Freeman
ISBN 10: 1-46414-253-X
ISBN 13: 978-1-46414-253-6

Chapter 6 - Two-Way Tables - Check Your Skills: 6.12

Answer

(c) 65%

Work Step by Step

Teens from schools that forbid cell phones brought their cell phone to school every day=97 Teens from schools that forbid cell phones=150 $97/150 \approx 0.65 = 65 %$
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