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This week, a very large running race (5K) occured in Denver. The times were normally distributed,...

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Statistics

This week, a very large running race (5K) occured in Denver. Thetimes were normally distributed, with a mean of 24.03 minutes and astandard deviation of 3.04 minutes. a. What percent of runners took26.614 minutes or less to complete the race? b. What time inminutes is the cutoff for the fastest 99.38 %? c. What percent ofrunners took more than 31.934 minutes to complete the race?

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