MS Excel: How to use the BETA.INV Function (WS)

This Excel tutorial explains how to use the Excel BETA.INV function with syntax and examples.

Description

The Microsoft Excel BETA.INV function returns the inverse of the cumulative beta probability density function.

The BETA.INV function is a built-in function in Excel that is categorized as a Statistical Function. It can be used as a worksheet function (WS) in Excel. As a worksheet function, the BETA.INV function can be entered as part of a formula in a cell of a worksheet.

Syntax

The syntax for the BETA.INV function in Microsoft Excel is:

BETA.INV( probability, alpha, beta, [lower_bound], [upper_bound] )

Parameters or Arguments

probability

The probability for the beta distribution.

alpha

A distribution parameter.

beta

A distribution parameter.

lower_bound

Optional. It is the lower bound to the interval of x. If this parameter is omitted, it assumes that lower_bound is 0 and upper_bound is 1.

upper_bound

Optional. It is the upper bound to the interval of x. If this parameter is omitted, it assumes that lower_bound is 0 and upper_bound is 1.

Returns

The BETA.INV function returns a numeric value.
If x < lower_bound, the BETA.INV function will return the #NUM! error.
if x > upper_bound, the BETA.INV function will return the #NUM! error.
If alpha <= 0, the BETA.INV function will return the #NUM! error.
If beta <= 0, the BETA.INV function will return the #NUM! error.

Applies To

• Excel for Office 365, Excel 2019, Excel 2016, Excel 2013, Excel 2011 for Mac, Excel 2010

Type of Function

• Worksheet function (WS)

Example (as Worksheet Function)

Let's look at some Excel BETA.INV function examples and explore how to use the BETA.INV function as a worksheet function in Microsoft Excel:

=BETA.INV(0.3, 7.5, 9, 1, 4)
Result: 2.164759636

=BETA.INV(0.75, 8, 9, 5, 10)
Result: 7.761240005