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random.betavariate() method in Python - GeeksforGeeks

Last Updated : 17 May, 2020

is an inbuilt method of the

module. It is used to return a random floating point number with

. The returned value is between 0 and 1.

Syntax : random.betavariate(alpha, beta) Parameters : alpha : greater than 0 beta : greater than 0 Returns : a random beta distribution floating number between 0 and 1

# import the random module
import random

# determining the values of the parameters
alpha = 5
beta = 10

# using the betavariate() method
print(random.betavariate(alpha, beta))

0.5148685287422776

We can generate the number multiple times and plot a graph to observe the beta distribution.

# import the required libraries
import random
import matplotlib.pyplot as plt


# store the random numbers in a 
# list
nums = []
low = 10
high = 100
mode = 20

for i in range(100):
    temp = random.betavariate(5, 10)
    nums.append(temp)
    
# plotting a graph
plt.plot(nums)
plt.show()

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