bernoulli trial

Bernoulli trials

plural noun Mathematics.
repeated independent experiments having two possible outcomes for each experiment with the probability for each outcome remaining constant throughout the experiments, as tossing a coin several times.

Origin:
1950–55; named after Jakob Bernoulli

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World English Dictionary
Bernoulli trial
 
n
statistics binomial experiment See also geometric distribution one of a sequence of independent experiments each of which has the same probability of success, such as successive throws of a die, the outcome of which is described by a binomial distribution
 
[named after Jacques Bernoulli]

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American Heritage
Science Dictionary
Bernoulli trial  
A random event in which one of two possible outcomes can occur (usually denoted success or failure), with the properties that the probability of each outcome is the same in each trial and that the outcome of each trial is independent of the outcomes of the other trials. If the probability of success is p, the probability of failure is 1 - p. The flip of a coin is a Bernoulli trial (where the probability of both success and failure is 0.5), as is the roll of a die (where success might be arbitrarily defined as rolling a six and failure as rolling any other number, with the probability of success being 0.167 and the probability of failure 0.833).
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