Answer
P($E_{3}$) = 0.5
Work Step by Step
P($E_{1}$)+P($E_{2}$)+P($E_{3}$)+P($E_{4}$)+P($E_{5}$)=1
Substituting the given probabilities,
P($E_{3}$) = 1 - 0.1 - 0.2 - 0.1 - 0.1
P($E_{3}$) = 0.5
Statistics (12th Edition)
by McClave, James T.; Sincich, Terry T.
Published by
Pearson
ISBN 10:
0321755936
ISBN 13:
978-0-32175-593-3
Chapter 3 - Probability - Exercises 3.1 - 3.34 - Learning the Mechanics - Page 119: 3.9a
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