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.) Average Speed in Miles per Hour Make 130-139.9 110-149.9 150-159.9 160-169,9 170-179.9 Total Buick Chevrolet Dodge Ford Total (a) Compute the row percentages. Average Speed in Miles per Hour Make 130-139.9 140-149.9 150-159.9 160-169.9 170-179.9 Total Buick Enter a number 12 Chevrolet Dodge XXX Ford (b) What percentage of winners driving a Ford won with an average speed of at least 140 miles per hour? 16x (b) What percentage of winners driving a Ford won with an average speed of at least 140 miles per hour? 16x % (c) Compute the column percentages. Average Speed in Miles per Hour 140-149.9 150-159.9 160-169.9 Make 130-139.9 170-179.9 Buick 4 x L Chevrolet 12 12 x 20 x 10 Dodge Ford Total 24 x 32 x 24 (d) what percentage of winning average speeds 130-139.9 miles per hour were Chevrolets? 12 x %