A Physical Fitness Association Is Including the Mile Run in Its

question 103

Multiple Choice

A physical fitness association is including the mile run in its secondary-school fitness test. The time for thisevent for boys in secondary school is known to possess a normal distribution with a mean of 450 seconds and astandard deviation of 50 seconds. Find the probability that a randomly selected boy in secondary school canrun the mile in less than 335 seconds.

• A) 0.0107
• B) 0.4893
• C) 0.9893
• D) 0.5107

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