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Unformatted text preview: Explain briefly. 4. What percent of the observations lie below 0.5? Above 1.5? Runners World reports that the times of the finishers in the New York City 10km run are normally distributed with a mean of 61 minutes and a standard deviation of 9 minutes. 5. Find the proportion of runners who take more than 70 minutes to finish. Draw a sketch to show this proportion. 6. Find the proportion of runners who finish in less than 43 minutes. Draw a sketch to show this proportion. Chapter 2...
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 Spring '09
 Mr.Brown
 Statistics, Slope

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