Aphysical 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 440 seconds and a standard deviation of 50 seconds. find the probability that a randomly selected boy in secondary school can run the mile in less than 325 seconds. a) .4893 b) .0107 c) .9893 d) .5107

 B) 0.0107

Step-by-step explanation:

As per given , we have

Let x be the random variable that represents the time for this event for boys in secondary school .

z-score =

z-score for x= 325 ,  

Required probability :

Hence, the probability that a randomly selected boy in secondary school can run the mile in less than 325 seconds = 0.0107

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step-by-step explanation:

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