fair coin

短语

词形变化

fair coins 复数 fair coins

释义与例句

n.
  1. 1.

    A sequence of independent Bernoulli trials (a Bernoulli process) with probability 1/2 of success on each trial.

    习语 数学
  2. 2.

    Used other than figuratively or idiomatically: an ideal coin, one so physically perfect that it has zero bias in its flipping.