elm-stats is a statistical library written in Elm that allows you to perform statistical operations. For example:
Stats.NormalDistribution.cdfZ 2.4 -- "Just 0.9918"
Stats.NormalDistribution.cdfZ 2.44444444444 -- "Just 0.9927"
From the root of your Elm project run
elm package install -y mrvicadai/elm-stats