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: 69

Answer

A combination is a selection of r items from n items where * the group of r items is selected from the same set of n items, * no item is used (selected) more than once, and * the order of the items is not important.

Work Step by Step

A combination is a selection of r items from n items where * the group of r items is selected from the same set of n items, * no item is used (selected) more than once, and * the order of the items is not important.
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