Thinking Mathematically (6th Edition)

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

Chapter 12 - Statistics - 12.4 The Normal Distribution - Exercise Set 12.4 - Page 813: 9

Answer

$90$

Work Step by Step

According to the text, the answer is: $100-(0.5)\cdot20=90$
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