Answer
The following addition is used when the events are mutually exclusive.
For example, when we toss a coin, the outcomes are either heads or tails.
P(A or B) =0.5+0.5=1.0
Work Step by Step
See above
Introductory Statistics 9th Edition
by Mann, Prem S.
Published by
Wiley
ISBN 10:
1-11905-571-7
ISBN 13:
978-1-11905-571-6
Chapter 4 - Section 4.5 - Union of Events and the Addition Rule - Exercises - Page 161: 4.69
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