22 Binompdf and binomcdf functions#

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import numpy as np
import pandas as pd
from pandas import Series, DataFrame
import matplotlib.pyplot as plt
import seaborn as sns
from scipy import stats, special

khanacademy

Binompdf and binomcdf functions fig 1

k = 4
n = 7
p = 0.35
stats.binom.pmf(k, n, p) # why is not there pdf?
0.14423819921874995
stats.binom.cdf(k, n, p)
0.9443924648437501