Betainv-func
Returns the inverse of the cumulative distribution function for a specified beta distribution.The beta distribution is useful in project planning to model probable completion times given an expected completion time and variability.
BETAINV(double probability, double alpha, double beta)
Probability
Alpha
Beta
Returns the inverse of the cumulative distribution function for a specified beta distribution.
double bb = betainv(0.8975362,8,10); bb = ;//Should return 0.5928749129231.