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Bernoulli process
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{{Use American English|date = February 2019}} {{Short description|Random process of binary (boolean) random variables}} {{More footnotes|date=September 2011}} {{Probability fundamentals}} In [[probability]] and [[statistics]], a '''Bernoulli process''' (named after [[Jacob Bernoulli]]) is a finite or infinite sequence of binary [[random variable]]s, so it is a [[discrete-time stochastic process]] that takes only two values, canonically 0 and 1. The component '''Bernoulli variables''' ''X''<sub>''i''</sub> are [[Independent and identically distributed random variables|identically distributed and independent]]. Prosaically, a Bernoulli process is a repeated [[coin flipping]], possibly with an unfair coin (but with consistent unfairness). Every variable ''X''<sub>''i''</sub> in the sequence is associated with a [[Bernoulli trial]] or experiment. They all have the same [[Bernoulli distribution]]. Much of what can be said about the Bernoulli process can also be generalized to more than two outcomes (such as the process for a six-sided die); this generalization is known as the [[Bernoulli scheme]]. The problem of determining the process, given only a limited sample of Bernoulli trials, may be called the problem of [[checking whether a coin is fair]].
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