Answer
$\frac{7.9}{137.3}$=0.0575
Work Step by Step
The probability that a voter chosen is in 21 to 24 years old =Frequency corresponding to 21 to 24 years / Total sum of frequency
=$\frac{7.9}{137.3}$
=0.0575
Elementary Statistics: Picturing the World (6th Edition)
by Larson, Ron; Farber, Betsy
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: 39
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