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BETAINV

This function calculates the inverse of the cumulative beta distribution function.

Syntax

BETAINV(prob, alpha, beta, [lower], [upper])

Arguments

This function has these arguments:

Argument

Description

prob

[Required] Probability of the distribution

alpha

[Required] Alpha parameter of the distribution

beta

[Required] Beta parameter of the distribution

lower

[Optional] Lower bound of the interval for x; 0 if omitted

upper

[Optional] Upper bound of the interval for x; 1 if omitted

Remarks

If you omit values for upper and lower, the calculation uses the standard cumulative beta distribution so that lower is zero and upper is one.

Examples

BETAINV(0.75,B3,C3,2,4)

BETAINV(0.75,R3C2,R3C3,2,4)

BETAINV(0.75,9,12,2,4) gives the result 3.0011968805