Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321755936
ISBN 13: 978-0-32175-593-3

Chapter 3 - Probability - Exercises 3.112 - 3.137 - Applying the Concepts - Basic - Page 162: 3.121a

Answer

Given n = 2 and r = 3. Order is not important, so we use combination rule 5! / 3! (5-3)! = 5! / 3! 2! = 10

Work Step by Step

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