Answer
(a) $0.95$
(b) $P 0.25$
Work Step by Step
(a) Given $P(1)=0.6, P(2)=0.7, P(1\cap2)=0.35$, we have $P(1\cup2)=P(1)+P(2)-P(1\cap2)=0.6+0.7-0.35=0.95$
(b) $P(not\ 2)=P(1\cup2)-P(2)=0.95-0.7=0.25$
Precalculus: Concepts Through Functions, A Unit Circle Approach to Trigonometry (3rd Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0-32193-104-1
ISBN 13:
978-0-32193-104-7
Chapter 12 - Counting and Probability - Chapter Test - Page 889: 12
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