Thinking Mathematically (6th Edition)

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

Chapter 11 - Counting Methods and Probability Theory - 11.1 The Fundamental Counting Principle - Exercise Set 11.1: 11

Answer

8

Work Step by Step

The number of ways in which a series of successive things can occur is found by multiplying the number of ways in which each thing can occur. ---------- 1. The gender of the customer can be chosen in 2 ways. 2. The age group of the customer can be chosen in 2 ways. 3. The type of payment can be chosen in 2 ways. Applying the Principle, the total number of shopper categories is 2$\times$2$\times$2$=8$
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