probability limit base factor sigma deisenroth σd

probability limit factor normal distribution sigma zeta phi deisenroth = σd(ϕd;n) = σd^(±ζd(ϕd)/n^0,5) = σd^(±√(-ln(ϕd)/n)) = x(ϕd;n)/µgeo ; σd=1,01

probability limit base factor sigma deisenroth σd = e^((2*ln(µari/µgeo))^0,5)