Bernoulli trials

plural noun Mathematics.
  1. 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 of Bernoulli trials

First recorded in 1950–55; named after Jakob Bernoulli
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018