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| − | [[category:Analytic Distribution Functions]] | + | #REDIRECT [[Normal distribution#CumNormal]] |
| − | [[Category:Doc Status C]] <!-- For Lumina use, do not change --> | + | [[Category: Analytic Distribution Functions]] |
| − | | + | [[Category: Cumulative distribution functions]] |
| − | = CumNormal(X,mean,stddev) =
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| − | Returns the cumulative probability
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| − | p = Pr[x ≤ X]
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| − | for a [[Normal|normal distribution]] with a given mean and standard deviation. Mean and stddev are optional and default to ''Mean = 0'', ''stddev = 1''.
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| − | CumNormal(1) - CumNormal( -1 ) → .683
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| − | i.e., 68.3% of the area under a normal distribution is contained
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| − | within one standard deviation of the mean.
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| − | = Library =
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| − | Advanced math
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| − | = See Also =
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| − | * [[CumNormalInv]] -- the inverse cumulative density
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| − | * [[Normal]] -- The normal distribution
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| − | * [[Erf]] -- The closely related error function
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| − | * [[Sigmoid]](x) -- Another sigmoidal-shaped function
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