What does "probability" mean?

Probability: That which is or appears probable; anything that has the appearance of reality or truth. The whole life of man is a perpetual comparison of evidence and balancing of probabilities. Buckminster. We do not call for evidence till antecedent probabilities fail. J. H. Newman.

Additional senses

  1. 2.(Math.) Likelihood of the occurrence of any event in the doctrine of chances, or the ratio of the number of favorable chances to the whole number of chances, favorable and unfavorable. See 1st Chance, n., 5.

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