Answer
$P(E)=0.5$
Work Step by Step
$P(F)=0.30$, $P(E or F)=0.65$ and $P(E and F)=0.15$
$P(E or F)=P(E)+P(F)-P(E and F)$
$0.65=P(E)+0.30-0.15$
$0.65-0.30+0.15=P(E)$
$P(E)=0.5$
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 5 - Section 5.2 - Assess Your Understanding - Vocabulary and Skill Building - Page 276: 20
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