# NTBINORMDIST

Returns the bivariate normal distribution

## Syntax

**NTBINORMDIST**(

*X1,**X2,**Corr,**Cumulative*

)

#### Parameters

is the value of 1st. variable for which you want the distribution.**X1**is the value of 2nd. variable for which you want the distribution.**X2**is a correlation coefficient between 2 variables .**Corr**is a logical value that determines the form of the function. If cumulative is TRUE, NTBINORMDIST returns the cumulative distribution function; if FALSE, it returns the probability density function.**Cumulative**

## Remark

- If , the probability density is singular at X1=X2 (returns #VALUE! error).

## Example

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

How to copy an example- Create a blank workbook or worksheet.
- Select the example in the Help topic.
**Note**Do not select the row or column headers.Selecting an example from Help

- Press CTRL+C.
- In the worksheet, select cell A1, and press CTRL+V.
- To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the
**Tools**menu, point to**Formula Auditing**, and then click**Formula Auditing Mode**.

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A B Data Description 1.5 Value of 1st. variable for which you want the distribution -1 Value of 2nd. variable for which you want the distribution 0.5 Correlation coefficient Formula Description (Result) =NTBINORMDIST(A2,A3,A4,TRUE) Cumulative distribution function for the terms above =NTBINORMDIST(A2,A3,A4,FALSE) Probability density function for the terms above