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Mathematics, 17.06.2021 22:00 Trendymwah4211
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 440 seconds and a standard deviation of 40 seconds. Find the probability that a randomly selected boy in secondary school can run the mile in less than 348 seconds. A) 0.0107 B) 0.9893 C) 0.5107 D) 0.4893
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