GAMMAINV


Calculates the inverse of the cumulative GAMMADIST function.

Syntax:

GAMMAINV(p, α, β)

The gamma distribution is a family of continuous probability distributions, with two controlling parameters α and β.
GAMMAINV returns the value n, such that GAMMADIST(n, α, β, 1) is p.

Example:

GAMMAINV(0.86, 1, 1)
returns approximately 2.






 
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