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What time boys need to beat to earn a certificate

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Reference no: EM13122785

A physical fitness association is including the mile run its secondary school fitness test. The time for this event for boys in secondary school is known to possess a normal distribution with a mean of 460 seconds and a standard deviation of 40 seconds. The fitness association wants to recognize the fastest 10% of the boys with certificates of recognition. What time would the boys need to beat in order to earn a certificate of recognition from the fitness association?

Reference no: EM13122785

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