BETA.DIST Returns the beta distribution. 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.
x – The value between A and B at which to evaluate the function
Alpha – A parameter of the distribution.
Beta – A parameter of the distribution.
A – Optional. A lower bound to the interval of x.
B – Optional. An upper bound to the interval of x.
Returns the beta distribution.