Mathematics, 09.04.2020 02:58, snowprincess99447

7. As reported in Runner's World magazine, the times of the finishers in the New Your City 10-km run are normally distributed with mean 61 minutes and standard deviation 9 minutes.

(a) Determine the percentage of finishers with times between 55 and 70 minutes. (b) Determine the 5% percentile of finishing times.

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7. As reported in Runner's World magazine, the times of the finishers in the New Your City 10-km run...