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A physical fitness association is including the mile run in its secondary-school fitness test. The time...

A physical fitness association is including the mile run in 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 470 seconds and a standard deviation of 51 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 357 seconds.

Math   Statistics-And-Probability   
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Answer #1

Qus: find the probability that a randomly selected boy in secondary school can run the mile in less than 357 second

Solution

please see the probability value for z score=-2.22

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