Encyclopedia > Probability mass function

  Article Content

Probability mass function

A probability function where the domain is a discrete random variable, and the range is the probability of that particular random variable occurring. For example, flip 3 coins and let X represent the number of heads. X = {0, 1, 2, 3}. The probability that X = x is (3Cx)(0.5^3)

Compare with: probability density function.



All Wikipedia text is available under the terms of the GNU Free Documentation License

 
  Search Encyclopedia

Search over one million articles, find something about almost anything!
 
 
  
  Featured Article
Indian reservation

... Because the land is Federal land, it is not subject to state law and therefore on many reservations, there are casinos. Indian Reservations in the United States ...

 
 
 
This page was created in 41.1 ms