Answer
Total No. of people = 40
No. of people selected = 4
Ways group of 4 people can be formed = 40! (40-4)! 4! = 4,845
Work Step by Step
As given in answer
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
Published by
Pearson
ISBN 10:
0321911210
ISBN 13:
978-0-32191-121-6
Chapter 3 - Probability - Section 3.4 Additional Topics in Probability and Counting - Exercises - Page 175: 31
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