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describe the probability value using normal distribution.

Fast Service Truck Lines usages the Ford Super Duty F-750 exclusively. Management made a study of the maintenance costs as well as determined the number of miles travelled during the year followed the normal distribution. The mean of the distribution was 60,000 miles as well as the standard deviation 2000 miles.

1) describe what percent of the Ford Super Duty F-750s logged 65,200 miles or more?

2) describe what percent of the trucks logged more than 57,060 however less than 58,280 miles?

3) describe what percent of the Fords travelled 62,000 miles or less during the year?

d. Is it reasonable to conclude that any of the trucks were driven more than 70,000 miles? describe.

Statistics and Probability, Statistics

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