Answer
1
Work Step by Step
The earlier exercises asked for the probability of each of 3 outcomes. Since there are only 3 possible outcomes, the probabilities must add up to 100%, or 1.
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 8 - Section 8.5 - Counting and Introduction to Probability - Exercise Set - Page 582: 34
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