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OpenStudy (anonymous):
Statistics Help? Please? A brand of tire has a life span of 34,000 miles and a standard deviation of 2,250 miles. Bell shaped distribution. The life span of three randomly selected tires are 29,500 miles, 38,500 miles and 34,000 miles. Using the empirical rule, find the percentile that corresponds to each life span. Please help & don't just give the answer.. I would really like to know how to do this. Thank you!
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