probability method

  1. @override
double probability(
  1. int k
)
override

The Probability Density/Mass Function (PDF/PMF).

Returns the probability of the distribution at x.

Implementation

@override
double probability(int k) => k < 0
    ? 0
    : k == 0
        ? exp(-lambda)
        : pow(lambda, k) * exp(-lambda) / factorial(k);