CommandsStatsInvExpCDFOn this pageStatsInvExpCDF StatsInvExpCDF (cdf, µ, σ) The StatsInvExpCDF function returns the inverse of the exponential cumulative distribution function x=μ−σln(1−cdf).\displaystyle x=\mu-\sigma \ln (1-c d f).x=μ−σln(1−cdf). It returns NaN for cdf <0 or cdf > 1. See Also Statistical Analysis, StatsExpPDF, StatsExpCDF