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Excel BETA.INV function

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Description

The Excel BETA.INV function returns the inverse of the cumulative beta probability density function for a specified beta distribution. This means that if probability = BETA.DIST(x,alpha,…), the BETA.INV(probability,alpha,…) returns x.

Syntax and arguments

Formula syntax

BETA.INV(probability,alpha,beta,[A],[B])

Arguments

  • Probability: Required, the probability of the beta distribution.
  • Alpha: Required, A distribution parameter.
  • Beta: Required, A distribution parameter.
  • A: Optional, the lower bound to the interval of x
  • B: Optional, the upper bound to the interval of x.

Return Value

The BETA.INV function returns a numeric value.

Errors

#VALUE! error value appears when any argument is nonnumeric.

#NUM! error value appears when one of below situations occurs:

  1. Argument alpha <= 0;
  2. Argument beta <= 0;
  3. Argument x < A;
  4. Argument x > B;
  5. Argument A = B.

Remarks

If the argument A and B are omitted, the BETAINV function uses the standard cumulative beta distribution, A = 0, B = 1.

Version

Excel 2013 and later versions.

Usage and Examples

Example1 basic usage

To return the inverse of cumulative beta probability density function based on the provided parameters in table C2:C6, please use the BETA.INV function as below:

=BETA.INV(C2,C3,C4,C5,C6)

Or you can directly type the arguments in the formula like:

=BETA.INV(0.6,1,6,5,10)

Press Enter key.
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Other Functions:

  • Excel BETA.DIST Function
    The Excel BETA.DIST function (Excel 2013) returns the beta distribution which is usually used to study the percentage variation of something across samples.

  • Excel BETADIST Function
    The Excel BETADIST function (Excel 2010) returns the beta distribution which is usually used to study the percentage variation of something across samples.

  • Excel NORM.S.DIST Function
    The NORM.S.DIST calculates and returns the standard normal cumulative distribution function or probability density function of a value for an arithmetic mean of 0 and standard deviation of 1

  • Excel NORM.S.INV Function
    The NORM.S.INV calculates and returns the inverse of the standard normal cumulative distribution that has an arithmetic mean of 0 and standard deviation of 1 with a given probability.


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