SOLUTION: For a normal curve, if the mean is 20 minutes and the standard deviation is 5 minutes, then the area between 22 and 25 minutes is:
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Question 328699: For a normal curve, if the mean is 20 minutes and the standard deviation is 5 minutes, then the area between 22 and 25 minutes is:
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
For a normal curve, if the mean is 20 minutes and the standard deviation is 5 minutes, then the area between 22 and 25 minutes is:
Using a TI-84 I get:
normalcdf(22,25,20,5) = 0.1859
Cheers,
stan H.
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