October 10, 2015

Homework Help: statistics

Posted by Anonymous on Tuesday, April 13, 2010 at 1:11am.

According to a study of 90 truckers, a trucker drives, on average, 540 miles per day. If the standard deviation of the miles driven per day for the population of truckers is 40, find the 99% confidence interval of the mean number of miles driven per day by all truckers.

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