Answer
$P(E or F)=0.7$
Work Step by Step
$P(E)=0.25$ and $P(F)=0.45$
If E and F are mutually exclusive:
$P(E or F)=P(E)+P(F)=0.25+0.45=0.7$
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: 15
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