Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 11824 - 11.6 - Counting Principles - 11.6 Exercises - Page 824: 40


11880 different ways.

Work Step by Step

The order in which the candidates are selected is important. It is a permutation of 4 candidates from a group of 12 family members. $_{12}P_4=\frac{12!}{(12-4)!}=\frac{12\times11\times10\times9\times8!}{8!}=11880$
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