Elementary Statistics: Picturing the World (6th Edition)

Published by Pearson
ISBN 10: 0321911210
ISBN 13: 978-0-32191-121-6

Chapter 3 - Probability - Section 3.1 Basic Concepts of Probability and Counting - Exercises - Page 142: 48

Answer

Probability = 0.725

Work Step by Step

Total frequency = 193 P(45-49) = 53/193 P(Not 45 - 49) = 1 - P(45-49) = 1- 53/193 = 0.725
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