Thinking Mathematically (6th Edition)

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

Chapter 2 - Set Theory - 2.1 Basic Set Concepts - Exercise Set 2.1 - Page 60: 127


Makes Sense.

Work Step by Step

Yes there is one to one corresponding between average no of hours men sleep and average number of hours women sleep. For example: At age 17, men sleep on average 9.7 while women sleep around 9.3 hours. This makes sense.
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