NORMSINV(probability)

Returns the x variable corresponding to less than a particular probability.

probabilityThe probability associated with the distribution.

Remarks

* NORM.S.INV was added in Excel 2010 to replace this function.
* Returns the z-value for given probabilities.
* The standard normal distribution is a continuous distribution.
* If "probability" < 0 then #NUM! is returned.
* If "probability" > 1, then #NUM! is returned.
* If "probability" is not numeric, then #VALUE! is returned.
* This function uses an iterative technique for calculating the function.
* This function iterates until the result is accurate to within 3x10^-7.
* If this function does not converge after 100 iterations, then #N/A is returned.
* mean 0, standard deviation 1
* In Excel 2010 the accuracy of this function was improved.
* For the Microsoft documentation refer to support.office.com

 A
1=NORMSINV(0.5) = 0
2=NORMSINV(0.841) = 1
3=NORMSINV(0.159) = -1
4=NORMSINV(1-0.159) = 1
5=NORMSINV(0.977) = 2
6=NORMSINV(0.023) = -2
7=NORMSINV(1-0.023) = 2
8=NORMSINV(-0.5) = #NUM!
9=NORMSINV(0) = #NUM!
10=NORMSINV(1) = #NUM!
11=NORMSINV("some text") = #VALUE!


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