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) (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.
================