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 over a 25 year period.† (Round your answers to two decimal places.)MakeAverage Speed in Miles per HourTotal130–139.9140–149.9150–159.9160–169.9170–179.9Buick1 1Chevrolet3543116Dodge 2 2Ford2121 6Total6864125(a)Compute the row percentages.MakeAverage Speed in Miles per HourTotal130–139.9140–149.9150–159.9160–169.9170–179.9Buick Chevrolet Dodge Ford (b)What percentage of winners driving a Ford won with an average speed of at least 150 miles per hour?%(c)Compute the column percentages.MakeAverage Speed in Miles per Hour130–139.9140–149.9150–159.9160–169.9170–179.9Buick Chevrolet Dodge Ford Total (d)What percentage of winning average speeds 150–159.9 miles per hour were Chevrolets?%

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Description: 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 over a 25 year period.† (Round you

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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 over a 25 year period.† (Round your answers to two decimal places.)

Make	Average Speed in Miles per Hour	Total
130–139.9	140–149.9	150–159.9	160–169.9	170–179.9
Buick	1					1
Chevrolet	3	5	4	3	1	16
Dodge		2				2
Ford	2	1	2	1		6
Total	6	8	6	4	1	25

(a)

Compute the row percentages.

Make	Average Speed in Miles per Hour	Total
130–139.9	140–149.9	150–159.9	160–169.9	170–179.9
Buick
Chevrolet
Dodge
Ford

(b)

What percentage of winners driving a Ford won with an average speed of at least 150 miles per hour?

(c)

Compute the column percentages.

Make	Average Speed in Miles per Hour
130–139.9	140–149.9	150–159.9	160–169.9	170–179.9
Buick
Chevrolet
Dodge
Ford
Total

(d)

What percentage of winning average speeds 150–159.9 miles per hour were Chevrolets?

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