(1) Relating to or characterized by random, chance, or probability.
(2) Being or having random variable(s).
(3) Pertaining to a randomly determined sequence of observations, each being a sample of one element from a probability distribution.
(4) Occurring in a random pattern.
Word origin: Greek stokhastikos, from stokhastēs, diviner, from stokhazesthai, to guess at, from stokhos, aim, goal.
Related forms: stochastically (adverb), stochasticity (noun).
- Stochastic independence
- Stochastic model
- Stochastic process