SOLUTION: If the mean is 40 with a standard deviation of 2, at least what fraction of the numbers are between 32 and 48

Algebra ->  Probability-and-statistics -> SOLUTION: If the mean is 40 with a standard deviation of 2, at least what fraction of the numbers are between 32 and 48      Log On


   



Question 746941: If the mean is 40 with a standard deviation of 2, at least what fraction of the numbers are between 32 and 48
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
If the mean is 40 with a standard deviation of 2, at least what fraction of the numbers are between 32 and 48
-----
Sounds like a Chebyshev Problem.
-----
(32-40)/2 = -4
(48-40)/2 = 4
----
Ans: at least (1-(1/4)^2) = 0.9375 = 93.75% of the data.
================
Cheers,
Stan H.
================