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

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
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Sounds like a Chebyshev Problem.
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(32-40)/2 = -4
(48-40)/2 = 4
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Ans: at least (1-(1/4)^2) = 0.9375 = 93.75% of the data.
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Cheers,
Stan H.
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