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