totn Excel Functions

MS Excel: How to use the BETAINV Function (WS)

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

Description

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

The BETAINV 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 BETAINV function can be entered as part of a formula in a cell of a worksheet.

Syntax

The syntax for the BETAINV function in Microsoft Excel is:

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

Applies To

  • Excel for Office 365, Excel 2019, Excel 2016, Excel 2013, Excel 2011 for Mac, Excel 2010, Excel 2007, Excel 2003, Excel XP, Excel 2000

Type of Function

  • Worksheet function (WS)

Example (as Worksheet Function)

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

=BETAINV(0.3, 7.5, 9, 1, 4)
Result: 2.164759636

=BETAINV(0.75, 8, 9, 5, 10)
Result: 7.761240005