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probability 音标拼音: [pr ,ɑbəb'ɪləti] n. 可能性,或然率,几率,概率 可能性,或然率,几率,概率 probability或然率
probability机率论 probability机率 probability n 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" [ synonym: { probability}, { chance}] 2: the quality of being probable; a probable event or the most probable event; " for a while mutiny seemed a probability"; " going by past experience there was a high probability that the visitors were lost" [ ant: { improbability}, { improbableness}] Probability \ Prob` a* bil" i* ty\, n.; pl. { Probabilities}. [ L. probabilitas: cf. F. probabilit[' e].] [ 1913 Webster] 1. The quality or state of being probable; appearance of reality or truth; reasonable ground of presumption; likelihood. [ 1913 Webster] Probability is the appearance of the agreement or disagreement of two ideas, by the intervention of proofs whose connection is not constant, but appears for the most part to be so. -- Locke. [ 1913 Webster] 2. That which is or appears probable; anything that has the appearance of reality or truth. [ 1913 Webster] The whole life of man is a perpetual comparison of evidence and balancing of probabilities. -- Buckminster. [ 1913 Webster] We do not call for evidence till antecedent probabilities fail. -- J. H. Newman. [ 1913 Webster] 3. ( 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. [ 1913 Webster] Syn: Likeliness; credibleness; likelihood; chance. [ 1913 Webster] 187 Moby Thesaurus words for " probability": a thing for, accidentality, actuarial calculation, actuarial prediction, adventitiousness, affinity, aftertime, afteryears, anticipation, apocalypse, aptitude, aptness, bare possibility, bent, best bet, bias, break, by- and- by, cast, casualness, certainty, chance, chances, conatus, conceivability, conceivableness, conduciveness, confidence, contemplation, contingency, course ahead, crystal ball, delight, destiny, determinism, diathesis, disposition, distant future, eagerness, even chance, eventuality, expectancy, expectation, fate, favorable prospect, feeling for, flukiness, foreboding, forecast, forecasting, foreshowing, foresight, foretelling, fortuitousness, fortuity, fortune, forward look, future, future tense, futurism, futurity, gamble, good chance, good fortune, good luck, good opportunity, good possibility, guesswork, hap, happenstance, happy chance, heedless hap, hereafter, hope, how they fall, immediate future, immediate prospect, imminence, improbability, inclination, indeterminacy, indeterminateness, law of averages, leaning, liability, liableness, likelihood, likeliness, liking, lot, luck, main chance, moira, near future, obligation, odds, odds- on, odds- on chance, off chance, offing, omen, opportunity, outlook, outside chance, outside hope, penchant, possibility, possibleness, posteriority, potential, potentiality, prediction, predilection, predisposition, prefiguration, prefigurement, prefiguring, prejudice, presage, presaging, presentiment, preshowing, presignifying, presumption, principle of indeterminacy, problematicness, proclivity, prognosis, prognostication, project, promise, proneness, propensity, prophecy, prophesying, prospect, prospectus, random sample, readiness, reliance, remote possibility, risk, run of luck, sensitivity to, serendipity, small hope, soft spot, soothsay, speculation, sporting chance, statistical prediction, statistical probability, sure bet, sure thing, susceptibility, tendency, the attainable, the breaks, the feasible, the future, the morrow, the possible, the sweet by- and- by, theory of probability, thinkability, thinkableness, thought, time ahead, time just ahead, time to come, tomorrow, tropism, turn, twist, unastonishment, uncertainty, uncertainty principle, vaticination, virtuality, warp, weakness, well- grounded hope, what is possible, what may be, what might be, whatever comes, willingnessPROBABILITY. That which is likely to happen; that which is most consonant to reason; for example, there is a strong probability that a man of a good moral character, and who has heretofore been remarkable for truth, will, when examined as a witness under oath, tell the truth; and, on the contrary, that a man who has been guilty of perjury, will not, under the same circumstances, tell the truth; the former will, therefore, be entitled to credit, while the latter will not.
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