CommandsStatsInvNBinomialCDFOn this pageStatsInvNBinomialCDF StatsInvNBinomialCDF (cdf, k, p) The StatsInvNBinomialCDF function returns the numerically evaluated inverse of the negative binomial cumulative distribution function. There is no closed form expression. See Also Statistical Analysis, StatsNBinomialPDF, StatsNBinomialCDF