Percent point function (inverse of cdf) at q of the given RV
q : array-like
lower tail probability
arg1, arg2, arg3,... : array-like
The shape parameter(s) for the distribution (see docstring of the instance object for more information)
loc : array-like, optional
location parameter (default=0)
k : array-like
quantile corresponding to the lower tail probability, q.
scipy.stats.rv_discrete.sf
scipy.stats.rv_discrete.isf