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A178647
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Decimal expansion of the fraction of a population falling within +- 1 standard deviation of the mean, assuming a normal distribution.
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8
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6, 8, 2, 6, 8, 9, 4, 9, 2, 1, 3, 7, 0, 8, 5, 8, 9, 7, 1, 7, 0, 4, 6, 5, 0, 9, 1, 2, 6, 4, 0, 7, 5, 8, 4, 4, 9, 5, 5, 8, 2, 5, 9, 3, 3, 4, 5, 3, 2, 0, 8, 7, 8, 1, 9, 7, 4, 7, 8, 8, 9, 0, 0, 4, 8, 5, 9, 8, 2, 8, 8, 3, 9, 7, 4, 4, 0, 9, 6, 5, 9, 0, 0, 1, 7, 6, 9, 8, 3, 6, 8, 1, 1, 2, 7, 8, 6, 5, 5, 0, 5, 6, 5, 4, 5
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OFFSET
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0,1
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LINKS
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Eric Weisstein's World of Mathematics, Erf
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FORMULA
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EXAMPLE
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0.6826894921370858971704650912640758449558259334532087819747889004859...
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MAPLE
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MATHEMATICA
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RealDigits[(1 + Erf[1/Sqrt@2])/2 - (1 + Erf[ -1/Sqrt@2])/2, 10, 111][[1]] (* Robert G. Wilson v, Jun 01 2010 *)
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PROG
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(MATLAB) 0.5*(1+erf(1/sqrt(2)))- 0.5*(1+erf(-1/sqrt(2)))
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CROSSREFS
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KEYWORD
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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