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BetaInv - script and chart function

BetaINV() returns the inverse of the accumulated probability of the Beta distribution.


BetaInv(prob, alpha, beta)

Return data type: number

Argument Description
prob A probability associated with the Beta-probability distribution. It must be a number between 0 and 1.
alpha A positive number defining the first shape parameter. It is the exponent of the random variable
beta A positive number defining the second shape parameter. It is the exponent that controls the shape of the distribution.

This function is related to the BetaDist function in the following way:
If prob = BetaDist(value, alpha, beta), then BetaInv(prob, alpha, beta) = value

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