different between expectation vs probability
expectation
English
Etymology
From Middle French expectation, from Latin exspect?ti?, from exspect? (“expect”); synchronically analyzable as expect +? -ation.
Pronunciation
- (UK, US) IPA(key): /?ksp?k?te???n/
- Rhymes: -e???n
Noun
expectation (countable and uncountable, plural expectations)
- The act or state of expecting or looking forward to an event as about to happen.
- “A tight little craft,” was Austin’s invariable comment on the matron; […]. ¶ Near her wandered her husband, orientally bland, invariably affable, and from time to time squinting sideways, as usual, in the ever-renewed expectation that he might catch a glimpse of his stiff, retroussé moustache.
- That which is expected or looked for.
- The prospect of the future; grounds upon which something excellent is expected to occur; prospect of anything good to come, especially of property or rank.
- 1816, Jane Austen, Emma, Vol.1 Ch.7:
- Emma was not sorry to be pressed. She read, and was surprized. The style of the letter was much above her expectation. There were not merely no grammatical errors, but as a composition it would not have disgraced a gentleman; the language, though plain, was strong and unaffected, and the sentiments it conveyed very much to the credit of the writer. It was short, but expressed good sense, warm attachment, liberality, propriety, even delicacy of feeling. She paused over it, while Harriet stood anxiously watching for her opinion, with a "Well, well," and was at last forced to add, "Is it a good letter? or is it too short?"
- 1816, Jane Austen, Emma, Vol.1 Ch.7:
- The value of any chance (as the prospect of prize or property) which depends upon some contingent event.
- (statistics) The first moment; the long-run average value of a variable over many independent repetitions of an experiment.
- (colloquial statistics) The arithmetic mean.
- (medicine, rare) The leaving of a disease principally to the efforts of nature to effect a cure.
Usage notes
- (value of any chance): Expectations are computed for or against the occurrence of the event.
Synonyms
- (colloquial statistics, arithmetic mean): arithmetic mean; average
Related terms
- expect
- expectant
- expected
Translations
See also
- (statistics): Wikipedia:Expected value
expectation From the web:
- what expectations do you have
- what expectations mean
- what expectations do i have for myself
- what expectations in a relationship
- what expectations to have in a relationship
- what expectations to set for employees
- what are the expectations
- what are good expectations
probability
English
Etymology
From Middle French probabilité, from Latin prob?bilit?s (“probability, credibility”), from prob?bilis (“probable, credible”).
Pronunciation
- (Received Pronunciation) IPA(key): /p??b??b?l?ti/
- (General American) IPA(key): /p??b??b?l??i/
- Hyphenation: prob?a?bil?i?ty
- Rhymes: -?l?ti
Noun
Wikibooks
probability (plural probabilities)
- The state of being probable; likelihood.
- An event that is likely to occur.
- The relative likelihood of an event happening.
- (mathematics) A number, between 0 and 1, expressing the precise likelihood of an event happening.
Derived terms
Related terms
- probable
Translations
See also
- odds
- possibility
- verisimilitude
- credence
Further reading
- probability at OneLook Dictionary Search
- probability in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
- probability in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
probability From the web:
- what probability range is associated with z=±1.96
- what probability is considered unlikely
- what probability does a p-value represent
- what probability is considered unusual
- what probability distribution to use
- what probability means
- what probability is the same as impossible
- what probability is equal to 25
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