Elementary Statistics: Picturing the World (6th Edition)

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

Chapter 3 - Probability - Section 3.1 Basic Concepts of Probability and Counting - Exercises - Page 142: 40

Answer

$\frac{53.5}{137.3}$=0.3897

Work Step by Step

The probability that a voter chosen is in 45 to 64years old = Frequency corresponding to 45 to 64 years old / Total sum of frequencies =\frac{53.5}{137.3} =0.3897
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