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: 33

Answer

$18$

Work Step by Step

Set A includes $2, 4, 5, 7$. Thus, the number of respondents who agreed with the statement is: $=2+4+5+7 \\=18$
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