Precalculus (10th Edition)

Published by Pearson
ISBN 10: 0-32197-907-9
ISBN 13: 978-0-32197-907-0

Chapter 13 - Counting and Probability - 13.3 Probability - 13.3 Asses Your Understanding - Page 865: 38



Work Step by Step

The possible outcomes are: $GGG,GGB,GBG,BGG,GBB,BGB,BBG, BBB$, which is $8$ outcomes Only $1$ outcome favors the given event.. We know that $\text{probability}=\dfrac{\text{number of favorable outcomes}}{\text{number of all outcomes}}=\dfrac{n(F)}{n(S)}.$ Hence, $\text{probability}=\dfrac{1}{8}=0.125$
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