Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 11 - Counting Methods and Probability Theory - 11.3 Combinations - Exercise Set 11.3 - Page 709: 74

Answer

Makes sense.

Work Step by Step

To solve the problem, you had a sequence of selections: 1. Selection of several items from the first group 2. Selection of several items from the second group Each individual selection needed the combination formula, and counting the total for the sequence involves applying the Fundamental Counting Principle Makes sense.
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