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probability

pro·ba·bi·lity

UK/ˌpɹɒb.əˈbɪl.ɪ.ti/ US/ˌpɹɑ.bəˈbɪl.ə.ti/ fairly common

noun

1.

a measure of how likely it is that some event will occur; a number expressing the ratio of favorable cases to the whole number of cases possible

  • “the probability that an unbiased coin will fall with the head up is 0.5”
Synonyms
2.

the quality of being probable

Antonyms

Origin

From Middle French probabilité, from Latin probābilitās (“probability, credibility”), from probābilis (“probable, credible”).

Phrases

  • balance of probability
  • conditional probability
  • conditional probability distribution
  • experimental probability
  • frequency probability
  • high probability trade
  • in all probability
  • joint probability

Related words

Word family

Broader terms

Narrower terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.