Answer
False
Work Step by Step
The sets don't have one-to-one correspondence, for both the males at the ages of 40 and 60 sleep for 8.3 hours on average.
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
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: 126
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