English Explanatory Dictionary

probability

English dictionary entry

Meanings

noun
  1. The state of being probable.
  2. An event that is likely to occur.
  3. The relative likelihood of an event happening.
  4. A number, between 0 and 1, expressing the precise likelihood of an event happening.

Pronunciation

/ˌpɹɒb.əˈbɪl.ɪ.ti/ /ˌpɹɑb.əˈbɪl.ə.ti/ [ˌpɹɑbəˈbɪləɾi] en-us-probability.ogg /ˌpɹɔb.əˈbɪl.ə.ti/ [ˌpɹɔbəˈbɪləɾi]

Word forms

probability probabilities

Etymology

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

Synonyms

likelihood likeliness probableness probality

Related words

probable credence odds possibility verisimilitude

Derived words

balance of probability conditional probability conditional probability distribution equiprobability experimental probability frequency probability high probability trade improbability in all probability isoprobability joint probability nonprobability posterior probability prior probability probabilistic probability amplitude probability box probability density probability density function probability distribution probability-generating function probability mass function probability measure probability paper probability process probability space probability theory probit propensity probability quasi-probability quasiprobability sequential probability ratio test theoretical probability
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