Mathematics, 20.03.2020 03:02 kromer6797
Personal best finishing times for a particular race in high school track meets are normally distributed with mean 24.6 seconds and standard deviation .64 seconds. If the qualifying time for this event for the regional championship is set so that the top 15 percent of all runners qualify, then that qualifying time in seconds is about:
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Personal best finishing times for a particular race in high school track meets are normally distribu...
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