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 2012 (The World Almanac). Make Buick Make Buick Chevrolet Make Buick 5 Chevrolet Dodge 2 Ford 2 1 2 1 6 Total 6 8 6 4 1 25 a. Compute the row percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed 150-159.9 Chevrolet 130-139.9 1 3 Dodge Ford Total 130-139.9 *% 0.5 3% 0.17 0 Average Speed in Miles per Hour 140-149.9 150-159.9 130-139.9 140-149.9 17 *% 50 % 0% 140-149.9 0 。✔% 0.67% 4 63 % 25 % 12 % 0 160-169.9 0.63 % 0.75 *% Dodge 0.25% 0 0% 0.25% Ford 0.33 % 0.13% 0.33% 0.25 3% 0% 1.035 *% b. What percentage of winners driving a Chevrolet won with an average speed of at least 150 miles per hour? 0.67% c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed 150-159.9 160-169.9 0 0% 67 % 0 33 % 3 170-179.9 0 170-179.9 100 160-169.9 0 0 % 75 % 0% 25 % 0% 100 % 1 100 % 100% d. What percentage of winning average speeds 160-169.9 miles per hour were Chevrolets? 100% Total 1 16 2 3% Total *% 255 % 0.17 170-179.9 100% 0 % 。% 0 100 %
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 2012 (The World Almanac). Make Buick Make Buick Chevrolet Make Buick 5 Chevrolet Dodge 2 Ford 2 1 2 1 6 Total 6 8 6 4 1 25 a. Compute the row percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed 150-159.9 Chevrolet 130-139.9 1 3 Dodge Ford Total 130-139.9 *% 0.5 3% 0.17 0 Average Speed in Miles per Hour 140-149.9 150-159.9 130-139.9 140-149.9 17 *% 50 % 0% 140-149.9 0 。✔% 0.67% 4 63 % 25 % 12 % 0 160-169.9 0.63 % 0.75 *% Dodge 0.25% 0 0% 0.25% Ford 0.33 % 0.13% 0.33% 0.25 3% 0% 1.035 *% b. What percentage of winners driving a Chevrolet won with an average speed of at least 150 miles per hour? 0.67% c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed 150-159.9 160-169.9 0 0% 67 % 0 33 % 3 170-179.9 0 170-179.9 100 160-169.9 0 0 % 75 % 0% 25 % 0% 100 % 1 100 % 100% d. What percentage of winning average speeds 160-169.9 miles per hour were Chevrolets? 100% Total 1 16 2 3% Total *% 255 % 0.17 170-179.9 100% 0 % 。% 0 100 %
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question
I can't see how I'm getting this wrong.
![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
2012 (The World Almanac).
Make
Buick
Chevrolet
Dodge
Ford
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
Make
Buick
Chevrolet
Dodge
Ford
Make
Buick
Chevrolet
Dodge
130-139.9
Ford
Total
130-139.9
1
3
0.17 %
0.5 X%
0
2
0.33
130-139.9
0
Average Speed in Miles per Hour
150-159.9
140-149.9
33
0
5
2
140-149.9
1
✔%
0.63 %
X%
0.25
140-149.9
0
4
150-159.9
12
2
0 %
0.67 %
✔%
0
0%
% 0.13 % 0.33
%
0.25 %
0
b. What percentage of winners driving a Chevrolet won with an average speed of at least 150 miles per hour?
0.67 %
c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0".
Average Speed
150-159.9
0
160-169.9
67
0.75
0
0
160-169.9
0
✔%
17
%
X%
50 %
63 %
75 %
0%
25 %
X%
100%
1%
✔%
0%
33%
100 %
100 %
100 %
d. What percentage of winning average speeds 160 169.9 miles per hour were Chevrolets?
75 %
0%
3
%
1
%
0%
170-179.9
0
170-179.9
0
160-169.9
0
%
100 %
%
25
0
1
1%
Total
1
16
Total
0.17%
255 %
0.25%
*%
1.035
2
6
25
0
170-179.9
100
0
0%
✔%
0 0%
✔%
100 %](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd261088c-f753-45e4-ae14-7adbaf3c257c%2F05fd32ab-e941-4942-9773-6497b5b2ab29%2F6n43evj_processed.jpeg&w=3840&q=75)
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
2012 (The World Almanac).
Make
Buick
Chevrolet
Dodge
Ford
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
Make
Buick
Chevrolet
Dodge
Ford
Make
Buick
Chevrolet
Dodge
130-139.9
Ford
Total
130-139.9
1
3
0.17 %
0.5 X%
0
2
0.33
130-139.9
0
Average Speed in Miles per Hour
150-159.9
140-149.9
33
0
5
2
140-149.9
1
✔%
0.63 %
X%
0.25
140-149.9
0
4
150-159.9
12
2
0 %
0.67 %
✔%
0
0%
% 0.13 % 0.33
%
0.25 %
0
b. What percentage of winners driving a Chevrolet won with an average speed of at least 150 miles per hour?
0.67 %
c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0".
Average Speed
150-159.9
0
160-169.9
67
0.75
0
0
160-169.9
0
✔%
17
%
X%
50 %
63 %
75 %
0%
25 %
X%
100%
1%
✔%
0%
33%
100 %
100 %
100 %
d. What percentage of winning average speeds 160 169.9 miles per hour were Chevrolets?
75 %
0%
3
%
1
%
0%
170-179.9
0
170-179.9
0
160-169.9
0
%
100 %
%
25
0
1
1%
Total
1
16
Total
0.17%
255 %
0.25%
*%
1.035
2
6
25
0
170-179.9
100
0
0%
✔%
0 0%
✔%
100 %
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