Compatibility
Excel 2007 (Compatibility)
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=NORMSINV()
Returns the inverse of the standard normal cumulative distribution. The distribution has a mean of zero and a standard deviation of one. This function is provided for backward compatibility; consider using the NORM.S.INV function instead.
Applies To:
Excel for Microsoft 365Excel for Microsoft 365 for MacExcel 2024Excel 2024 for MacExcel 2021Excel 2021 for MacExcel 2019Excel 2016
=NORMSINV(probability)
Hover argument names in the table for details.
Output typeNumber
Popularity16 / 100
VolatileNo
Dynamic ArrayNo
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◧ Arguments
| Argument | Type | Required | Description |
|---|---|---|---|
probability |
Number | Required | A probability corresponding to the normal distribution. |
▣ Examples
Inverse of the standard normal cumulative distribution, with a probability of 0.9088.
=NORMSINV(0.9088)
Result:
1.3334
§ Remarks
- If Probability is nonnumeric, NORMSINV returns the #VALUE! error value.
- If Probability <= 0 or if Probability >= 1, NORMSINV returns the #NUM! error value.
- Given a value for Probability, NORMSINV seeks that value z such that NORMSDIST(z) = probability. Thus, precision of NORMSINV depends on precision of NORMSDIST. NORMSINV uses an iterative search technique. If the search has not converged after 100 iterations, the function returns the #N/A error value.
✦ Tips
- This function has been replaced with one or more new functions that may provide improved accuracy and whose names better reflect their usage. Although this function is still available for backward compatibility, you should consider using the new functions from now on, because this function may not be available in future versions of Excel. For more information about the new function, see NORM.S.INV function.
⚠ Common Errors
#VALUE!
If Probability is nonnumeric, NORMSINV returns the #VALUE! error value.
Fix: برای Probability یک مقدار عددی وارد کنید.
#NUM!
If Probability <= 0 or if Probability >= 1, NORMSINV returns the #NUM! error value.
Fix: Enter a value between 0 and 1
#N/A
If the search has not converged after 100 iterations, the function returns the #N/A error value.
Fix: مقدار Probability را بررسی کنید و در صورت تکرار، ورودی را تغییر دهید.
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