A270712 - OEIS

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A270712

Decimal expansion of the fraction of the normal distribution that falls within the 3 sigma error bars.

2

9, 9, 7, 3, 0, 0, 2, 0, 3, 9, 3, 6, 7, 3, 9, 8, 1, 0, 9, 4, 6, 6, 9, 6, 3, 7, 0, 4, 6, 4, 8, 1, 0, 0, 4, 5, 2, 4, 4, 3, 4, 1, 2, 6, 3, 6, 8, 3, 2, 3, 8, 7, 0, 1, 2, 7, 1, 5, 5, 6, 0, 2, 9, 2, 8, 8, 3, 8, 8, 5, 5, 8, 4, 7, 0, 8, 5, 5, 7, 9, 9, 4, 6, 3, 9, 2, 2

(list; constant; graph; refs; listen; history; text; internal format)

OFFSET

0,1

LINKS

Table of n, a(n) for n=0..86.

Wikipedia, 68-95-99.7 rule

Wikipedia, Normal distribution

EXAMPLE

0.997300203936739810946696370...

MAPLE

erf(3/sqrt(2)) ; evalf(%) ;

MATHEMATICA

RealDigits[Erf[3/Sqrt[2]], 10, 120][[1]] (* Amiram Eldar, May 24 2023 *)

PROG

(PARI) 1 - erfc(3/sqrt(2)) \\ Michel Marcus, Mar 22 2016

CROSSREFS

Cf. A178647 (1sigma), A110894 (2sigma).

Sequence in context: A217695 A197390 A298520 * A277587 A372828 A201570

Adjacent sequences: A270709 A270710 A270711 * A270713 A270714 A270715

KEYWORD

nonn,cons

AUTHOR

R. J. Mathar, Mar 22 2016

STATUS

approved