Geometry: Common Core (15th Edition)

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

Chapter 13 - Probability - 13-4 Compound Probability - Lesson Check - Page 847: 3



Work Step by Step

Here, the probability of one of the events happening is equal to the sum of the probability of each event minus the probability that both events will happen. Thus: $1/3+1/2-1/5$ $10/30+15/30-6/30$ $19/30$
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