Answer
Let event A = use internet at work
and Event B = use internet at home, then
P(A) = 74% = .74
P(B) = 88% = .88
P(A∩B) = 72% = .72
P(AUB) = P(A) + P(B) - P(A∩B)
= 0.74 + 0.88 - 0.72
= 0.90
Work Step by Step
As given in answer
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
Published by
Pearson
ISBN 10:
0321911210
ISBN 13:
978-0-32191-121-6
Chapter 3 - Probability - Review Exercises - Page 182: 29
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