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OpenStudy (anonymous):
a certain brand of automobile tire has a mean life span of 31,000 miles and a standard deviation of 2,450 miles. bell shaped distribution. The life spans of three randomly selected tires are 26,100 miles, 35,900 miles, and 31,000 mile. using the emperical rule, find the percentile that corresponds to each life span. Life span 26,000 life span 35,900 and life span 31,000
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