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  • Skip Navigation LinksStandard Normal Distribution One-Tailed Area Formulas

Standard Normal Distribution One-Tailed Area Formulas

Below you will find descriptions and details for the 2 formulas that are used to compute one-tailed areas under the standard normal distribution.

Cumulative distribution function (CDF) for the normal distribution:
Cumulative distribution function (CDF) for the normal distribution formula
Variable definitions:
ยต = mean
σ = standard deviation
erf = error function
Error function:
Error function formula
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