destinygadson403 destinygadson403
  • 04-07-2017
  • Mathematics
contestada

A student has computed that it takes an average (mean) of 17 minutes with a standard deviation of 3 minutes to drive from home, park the car, and walk to an early morning class. One day it took the student 21 minutes to get to class. How many standard deviations from the average is that?

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sissieliang
sissieliang sissieliang
  • 04-07-2017
one and a third of a standard deviation
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