Xavier Fleet operates and manages car rentals for Xavier emp…
Xavier Fleet operates and manages car rentals for Xavier employees. They found that the tire lifetime for their vehicles has a mean of 50,000 miles and a standard deviation of 3500 miles. What is the probability that the sample mean lifetime for these vehicles is more than 45,000? [prob] What is the mileage of the below 10% of vehicles? [mileage]
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