MediumStatisticsst-384

Poisson PMF Value

Problem

The Poisson pmf is exp(-lambda) * lambda^k / k!.

Given the rate lambda and the count k, return the probability.

Hint

The exponential factor is outside the power and factorial.

case 1

in: [2,3]

expected: 0.1804470443154836

case 2

in: [0.5,0]

expected: 0.6065306597126334

case 3

in: [1,1]

expected: 0.36787944117144233

Starter codePython

def poisson_pmf_value(lam, k):
    # Your code here
    pass

3 test cases · run your code against them in the editor