Statistics: Informed Decisions Using Data (4th Edition)

Published by Pearson
ISBN 10: 0321757270
ISBN 13: 978-0-32175-727-2

Chapter 5 - Review - Review Exercises - Page 315: 14e

Answer

$P(at~least~one~alcohol~related)=0.4975$

Work Step by Step

$P(neither~of~two~alcohol~related)=0.5025$ The event "at least one alcohol related" is the complement of "neither of two alcohol related". Using the Complement Rule (see page 275): $P(at~least~one~alcohol~related)=1-P(neither~of~two~alcohol~related)=1-0.5025=0.4975$
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