Function Type: Compatibility
Description:
Returns the gamma distribution. In Excel 2007, this is a Statistical function.
Function Structure:
=GAMMADIST(x, alpha, beta, cumulative).
Argument Breakdown:
x – The value at which you want to evaluate the function (must be ≥ 0).
alpha – A parameter of the distribution.
beta – A parameter of the distribution.
cumulative – A logical argument that specifies the type of gamma distribution to be calculated. This can have the value TRUE or FALSE, meaning: TRUE – calculate the distribution function; FALSE – calculate the probability density function.
Example:

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