SciPy

scipy.special.bdtr

scipy.special.bdtr(k, n, p) = <ufunc 'bdtr'>

Binomial distribution cumulative distribution function.

Sum of the terms 0 through k of the Binomial probability density.

y = sum(nCj p**j (1-p)**(n-j),j=0..k)
Parameters :

k, n : int

Terms to include

p : float

Probability

Returns :

y : float

Sum of terms