For A Recent 10k Run The Finishers Are Normally Distributed With Mean 57 Minutes And Standard Deviation 15 Minutes Com 1 (25.91 KiB) Viewed 35 times
For A Recent 10k Run The Finishers Are Normally Distributed With Mean 57 Minutes And Standard Deviation 15 Minutes Com 2 (22.02 KiB) Viewed 35 times
For a recent 10k run, the finishers are normally distributed with mean 57 minutes and standard deviation 15 minutes. Complete parts (a) through (d) below. Click here to view page 1 of the standard.normal distribution table. Click here to view page 2 of the standard normal distribution table. a. Determine the percentage of finishers with times between 45 and 70 minutes. Approximately of finishers had times between 45 and 70 minutes. (Round to two decimal places as needed.) b. Determine the percentage of finishers with times less than 75 minutes. Approximately of finishers had times less than 75 minutes. (Round to two decimal places as needed.) c. Obtain and interpret the 40th percentile for the finishing times. The 40th percentie is minutes. (Round to two decimal places as needed.)
c. Obtain and interpret the 40th percentile for the finishing times. The 40th percentile is minutes. (Round to two decimal places as needed.) Interpret the 40th percentile. Select the correct choice below and fill in the answer box(es) to complete your choice. (Type integers or decimals rounded to two decimal places as needed.) OA. This percentile means that B. This percentile means that OC. This percentile is the value that is OD. This percentile is the value that is % of the finishing times are equal to % of the finishing times are less than % less than the average finishing time. % greater than the smallest finishing time. d. Find the seventh decile for the finishing times. The seventh decle is minutes. (Round to two decimal places as needed.)
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