Large changes in the population mean

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1. If after one year, the annual mileage of privately owned cars is normally distributed with mean 14,000 miles and standard deviation 3,500, what is the probability that a car has mileage greater than 20,000 miles?

2. Can small changes in the tails of a distribution result in large changes in the population mean, µ, relative to changes in the median?

Reference no: EM131391564

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