WorksheetFunction.Norm_S_Inv method (Excel)

Returns the inverse of the standard normal cumulative distribution. The distribution has a mean of 0 (zero) and a standard deviation of one.

Syntax

expression.Norm_S_Inv (Arg1)

expression A variable that represents a WorksheetFunction object.

Parameters

Name	Required/Optional	Data type	Description
Arg1	Required	Double	Probability - A probability corresponding to the normal distribution.

Return value

Double

Remarks

If probability is non-numeric, Norm_S_Inv returns the #VALUE! error value.

If probability < 0 or if probability > 1, Norm_S_Inv returns the #NUM! error value.

Given a value for probability, Norm_S_Inv seeks that value z such that NORM_S_DIST(z) = probability. Thus, precision of Norm_S_Inv depends on precision of Norm_S_Dist. Norm_S_Inv uses an iterative search technique. If the search has not converged after 100 iterations, the function returns the #N/A error value.

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