Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.5 Survey Problems - Exercise Set 2.5 - Page 106: 53

Answer

does not make sense

Work Step by Step

The regions outside the "Smokers" will already represent the non-smokers.
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