# Discrete Probability Function

(Redirected from probability mass function)

A discrete probability function is a probability distribution function that represents a discrete random variable.

## References

### 2015

1. Probability Function at Mathworld

### 2009

• (Wikipedia, 2009) ⇒ http://en.wikipedia.org/wiki/Discrete_probability_distribution
• Discrete probability distributions arise in the mathematical description of probabilistic and statistical problems in which the values that might be observed are restricted to being within a pre-defined list of possible values. This list has either a finite number of members, or at most is countable.