## How to use the BETADIST function

The BETADIST function calculates the beta distribution representing an outcome in the form of probability.

This function is in the compatibility category and has been replaced by the BETA.DIST function which was introduced in Excel 2010.

Formula in cell C7:

=BETADIST(C3,C4,C5,C6,C7)

### Excel Function Syntax

BETADIST(*x,alpha,beta,[A],[B]*)

### Arguments

x |
Required. |

alpha |
Required. A parameter which determines the shape of the distribution. |

beta |
Required. A parameter which determines the shape of the distribution. |

[A] |
Optional. Lower bound, default value 0 (zero). |

[B] |
Optional. Upper bound, default value 1. |

### Comments

The BETADIST function returns

- #VALUE! error value if any argument is non-numeric.
- #NUM! error value if:
- alpha <= 0
- beta <= 0
- x < A
- x >B
- A = B

The general equation to calculate the beta distribution:

### Functions in 'Compatibility' category

The BETADIST function function is one of many functions in the 'Compatibility' category.

Calculates the beta distribution, it represents outcomes in the form of probabilities.

Calculates the inverse of the beta distribution.

Calculates the individual term binomial distribution probability

Calculates the probability of the chi-squared distribution.

Calculates the inverse probability of the chi-squared distribution.

Calculates the test for independence, the value returned from the chi-squared statistical distribution and the correct degrees of freedom. Use this function to check if hypothesized results are valid.

Calculates the confidence interval for a population mean, using a normal distribution.

Calculates the covariance meaning the average of the products of deviations for each pair in two different datasets.

Calculates the minimum value for which the binomial distribution is equal to or greater than a given threshold value.

Calculates the F probability of the right-tailed distribution for two tests.

Rounds a number down, toward zero, to the nearest multiple of significance.

Calculates a value based on existing x and y values using linear regression. Use this function to predict linear trends.

Calculates the value from an F-test. The value shows if the variances from two data sets are not significantly different.

Calculates the gamma often used in queuing analysis (probability statistics).

Calculates the cumulative lognormal distribution of argument x, based on a normally distributed ln(x) with the arguments of mean and standard_dev.

Calculates the most frequent number in a cell range.

Calculates the percent rank of a given number compared to the whole data set.

Calculates the rank of a specific number compared to a list of numbers.

Calculates the standard deviation of a group of values.

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