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 Chevrolet Dodge Ford 2 2 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 130-139.9 Make 1 3 Quicl 130-139.9 % % 5 2 1 130-139.9 140-149.9 07 % % 150-159.9 150-159.9 4 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? % 140-149.9 07 160-169.9 3 160-169.9 150-159.9 1 S77 c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is "zero" enter "0". Average Speed 170-179.9 170-179.9 160-169.9 1 Total 1 16 2 07 Total T 170-179.9 % % % % 0777

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