Question: A physical fitness association is including the mile run in its

A physical-fitness association is including the mile run in its secondary-school fitness test for students. The time for this event is approximately normally distributed with a mean of 450 seconds and a standard deviation of 40 seconds. If the association wants to designate the fastest 10% of secondary-school students as “excellent,” what time should the association set for this criterion?

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  • CreatedMay 20, 2015
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