Elementary Statistics (12th Edition)

Published by Pearson
ISBN 10: 0321836960
ISBN 13: 978-0-32183-696-0

Chapter 4 - Probability - 4-6 Counting - Basic Skills and Concepts: 4

Answer

(1) & (2)

Work Step by Step

Replacement is used, therefore the permutation rule and combination rule can't be used, because they can be used only in events without replacement. Therefore the fundamental counting rule and the factorial can be used.
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