WorksheetFunction.Beta_Dist Method (Excel)

Returns the beta cumulative distribution function.


expression. Beta_Dist( _Arg1_ , _Arg2_ , _Arg3_ , _Arg4_ , _Arg5_ )

expression A variable that represents a 'WorksheetFunction' object.


Name Required/Optional Data Type Description
Arg1 Required Double The value between A and B at which to evaluate the function.
Arg2 Required Double The Alpha parameter of the distribution.
Arg3 Required Double The Beta parameter of the distribution.
Arg4 Optional Variant Cumulative - a logical value that determines the form of the function. If cumulative is TRUE, BETA.DIST returns the cumulative distribution function; if FALSE, it returns the probability density function.
Arg5 Optional Variant An optional lower bound to the interval of x.
Arg6 Optional Variant An optional upper bound to the interval of x.

Return Value



The beta distribution is commonly used to study variation in the percentage of something across samples, such as the fraction of the day people spend watching television:

  • If any argument is nonnumeric, Beta_Dist returns the #VALUE! error value.

  • If alpha ? 0 or beta ? 0, Beta_Dist generates an error value.

  • If x < A, x > B, or A = B, Beta_Dist generates an error value.

  • If you omit values for A and B (lower and upper bound), Beta_Dist uses the standard cumulative beta distribution, so that A = 0 and B = 1.

See also

WorksheetFunction Object