﻿ NORMSDIST function

# NORMSDIST function

Returns the standard normal cumulative distribution function. The distribution has a mean of 0 (zero) and a standard deviation of one. Use this function in place of a table of standard normal curve areas.

Important   This function has been replaced with one or more new functions that may provide improved accuracy and whose names better reflect their usage. This function is still available for compatibility with earlier versions of Excel. However, if backward compatibility is not required, you should consider using the new functions from now on, because they more accurately describe their functionality.

## Syntax

NORMSDIST(z)

The NORMSDIST function syntax has the following argument:

• Z     Required. The value for which you want the distribution.

## Remarks

• If z is nonnumeric, NORMSDIST returns the #VALUE! error value.

• The equation for the standard normal density function is:

## Example

The example may be easier to understand if you copy it to a blank worksheet.

How do I copy an example?

Important   Do not select the row or column headers.

Selecting an example from Help

2. Press CTRL+C.

3. In Excel, create a blank workbook or worksheet.

4. In the worksheet, select cell A1, and press CTRL+V.

Important   For the example to work properly, you must paste it into cell A1 of the worksheet.

5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.

After you copy the example to a blank worksheet, you can adapt it to suit your needs.

 1 2
 A B Formula Description (Result) =NORMSDIST(1.333333) Normal cumulative distribution function at 1.333333 (0.908789)

Applies To: Excel 2010, Excel Starter, Excel Online, SharePoint Online

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