Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 13 - Probability - Chapter Review - Page 872: 29


The answer is below.

Work Step by Step

First, the equation involves adding the probability of either of the events occurring. However, we know that if these events are not mutually exclusive, then there is some overlap. In order to resolve this issue, we subtract the probability that both events occur.
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