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Question: the daytona 500 is a 500mile automobile race held annually...

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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 from 1988 to 2012 (The 2013 World Almanac) Average Speed in Miles per Hour Make Buick Chevrolet Dodge Ford Total 130-139.9 140-149.9 150-159.9 160-169.9 170-179.9 Total 25 a. Compute the row percentages. If required, round your answers to two decimal places. If your answer is zero enter O. Average Miles per Hour 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? 130-139.9 140-149.9 150-159.9 160-169.9 170-179.9 Total 0 0 3 5 4 16 56 % c. Compute the column percentages. If required, round your answers to two decimal places. If your answer is zero enter O. Average Miles per Hour Make Buick Chevrolet Dodge Ford 130-139.9 140-149.9 150-159.9 160-169.9 170-179.9 17 0 50 62.5 25 12.5 66.7 75 100 33.3 25 0 Total 100 100 100 100 100 d. What percentage of winning average speeds 160 - 169.9 miles per hour were Chevrolets? 75 %

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