Introductory Statistics 9th Edition

Published by Wiley
ISBN 10: 1-11905-571-7
ISBN 13: 978-1-11905-571-6

Chapter 4 - Section 4.6 - Counting Rule, Factorials, Combinations, and Permutations - Exercises - Page 168: 4.88

Answer

$9C_{2}$ = 36 There are 36 ways of selecting two of these nine members. $9P_{2}$ = 72 There are 72 arrangements of selecting two of these nine members.

Work Step by Step

no
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.