伯努利分布

Posted 2020-10-27 similarface

 

#coding:utf-8
from scipy.stats import binom  
import matplotlib.pyplot as plt  
import numpy as np  

#样本数目
n = 200
#发生的概率
p = 0.01
#发生的次数
k = np.arange(0,15)
binomial = binom.pmf(k, n, p)  
  
plt.plot(k, binomial, \'o-\')  
plt.title(\'Binomial: n = %i, p=%0.3f\' % (n, p),fontsize = 15)
plt.xlabel(\'Number of hit\')
plt.ylabel(\'Probability of hit\', fontsize = 15)
plt.show()