Total 6 4 1 a. Compute the row percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed Make Buick % % % Chevrolet % % % Dodge % % % % % Ford % % % % % b. What percentage of winners driving a Chevrolet won with an average speed of at least 150 miles per hour? % 130-139.9 Make Buick Chevrolet Dodge Ford Total % of 70 140-149.9 130-139.9 % % % % % 150-159.9 % % c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed 140-149.9 160-169.9 % % % % % 150-159.9 170-179.9 % % of 70 160-169.9 % % % % % d. What percentage of winning average speeds 160-169.9 miles per hour were Chevrolets? % Total % % % % % % 170-179.9 % % % OF % %% %
Total 6 4 1 a. Compute the row percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed Make Buick % % % Chevrolet % % % Dodge % % % % % Ford % % % % % b. What percentage of winners driving a Chevrolet won with an average speed of at least 150 miles per hour? % 130-139.9 Make Buick Chevrolet Dodge Ford Total % of 70 140-149.9 130-139.9 % % % % % 150-159.9 % % c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed 140-149.9 160-169.9 % % % % % 150-159.9 170-179.9 % % of 70 160-169.9 % % % % % d. What percentage of winning average speeds 160-169.9 miles per hour were Chevrolets? % Total % % % % % % 170-179.9 % % % OF % %% %
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.1: Ratios
Problem 21WE
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Transcribed Image Text:The Daytona 500 is a 500-mile automobile race held annually at the Daytona International Speedway in Daytona Beach, Florida. The following crosstabulation shows the automobile make by average speed of the 25 winners from 1988 to 2012 (The World Almanac).
Average Speed in Miles per Hour
140-149.9
Make
Buick
Make
Buick
130-139.9
1
Make
Buick
3
Chevrolet
Dodge
Ford
2
Total
6
8
6
4
1
a. Compute the row percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0".
Average Speed
Chevrolet
Dodge
Ford
2
130-139.9
5
2
1
140-149.9
%
%
%
150-159.9
150-159.9
4
140-149.9
%
%
%
%
%
160-169.9
3
160-169.9
1
%
%
%
Chevrolet
%
%
%
Dodge
%
%
%
Ford
%
%
%
%
%
b. What percentage of winners driving a Chevrolet won with an average speed of at least 150 miles per hour?
%
150-159.9
130-139.9
%
%
%
TE
%
%
%
%
%
Total
%
%
%
d. What percentage of winning average speeds 160-169.9 miles per hour were Chevrolets?
%
%
170-179.9
%
%
07
%
170-179.9
c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0".
Average Speed
1
Total
1
16
160-169.9
2
6
25
Total
%
%
%
%
170-179.9
%
%
%
%
%
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