Answer
$47.73$%
Work Step by Step
From (a): 8.8 million were produced in the U.S. in 1991.
From (b): 13.0 million were produced in the U.S. in 1999.
The percent increase in the number of motor vehicles: $\frac{13.0-8.8}{8.8}=0.4773=47.73$%
Statistics: Informed Decisions Using Data (4th Edition)
by Sullivan III, Michael
Published by
Pearson
ISBN 10:
0321757270
ISBN 13:
978-0-32175-727-2
Chapter 2 - Section 2.3 - Assess Your Understanding - Vocabulary and Skill Building - Page 107: 10c
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