probability

[ prob-uh-bil-i-tee ]

/ ˌprɒb əˈbɪl ɪ ti /

SEE SYNONYMS FOR probability ON THESAURUS.COM

noun, plural prob·a·bil·i·ties.

the quality or fact of being probable.

a strong likelihood or chance of something: The probability of the book's success makes us optimistic.

a probable event, circumstance, etc.: Our going to China is a probability.

Statistics.

the relative possibility that an event will occur, as expressed by the ratio of the number of actual occurrences to the total number of possible occurrences.
the relative frequency with which an event occurs or is likely to occur.

Idioms for probability

in all probability, very probably; quite likely: The factory will in all probability be relocated.

Origin of probability

From the Latin word probābilitās, dating back to 1545–55. See probable, -ity

OTHER WORDS FROM probability

non·prob·a·bil·i·ty, noun, plural non·prob·a·bil·i·ties.su·per·prob·a·bil·i·ty, noun, plural su·per·prob·a·bil·i·ties.

Words nearby probability

pro-American, pro-ana, prob, probabilism, probabilistic, probability, probability curve, probability density function, probability distribution, probability function, probability theory

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for probability

The probability an interval had zero signals was the probability that the first source didn’t emit a signal, 1−p, times the probability the second source didn’t emit a signal, 1−q.
Can You Cover The Globe?|Zach Wissner-Gross|August 28, 2020|FiveThirtyEight
In fact, for cancer, historically, the probability of success is about 5 percent.
Will a Covid-19 Vaccine Change the Future of Medical Research? (Ep. 430)|Stephen J. Dubner|August 27, 2020|Freakonomics
Physicists have algorithms to compute the probabilities of no-loop and one-loop scenarios, but many two-loop collisions bring computers to their knees.
The Mathematical Structure of Particle Collisions Comes Into View|Charlie Wood|August 20, 2020|Quanta Magazine
Simply put, in-market audiences are potential leads that have a high probability of conversion.
How to use in-market audiences for better search campaigns|Harikrishna Kundariya|August 18, 2020|Search Engine Watch

When you were told that your opponent would “play rock or paper with equal probability,” most solvers assumed that meant both probabilities were 50 percent, rather than being equal but less than 50 percent.
Can You Reach The Beach?|Zach Wissner-Gross|August 7, 2020|FiveThirtyEight
Probability: 96 percent, unless this spring you finally gave up and ordered central air conditioning, in which case, 15 percent.
Let’s Lay Out the Odds on Your Crazy Summer|Kelly Williams Brown|May 25, 2014|DAILY BEAST
A resurrection would be a miracle and as such would defy all “probability.”
Do We Know if There Was Really An Empty Tomb?|Bart D. Ehrman|April 19, 2014|DAILY BEAST
The best we can offer is a probability that an earthquake might occur along a fault in a given period of time.
A Lot of Earthquakes Have Been Reported Lately, but Scientists Aren’t Worried|Erik Klemetti|April 2, 2014|DAILY BEAST
The meaning of a “probability” estimate can be understood by resorting to the last refuge of political metaphors: sports.
You Don’t Need Nate Silver to ‘Predict’ a GOP Win This Fall|Jeff Greenfield|March 26, 2014|DAILY BEAST
In all probability, Americans will continue to be killed and wounded, but at a lower rate.
Should the Military Pull All Forces Out of Afghanistan After 2014?|Daniel L. Davis|February 28, 2014|DAILY BEAST
His dream of wealth and position would in all probability never have materialized.
The Boy Broker|Frank A. Munsey
A glance at some Chinese and Japanese methods of cookery may perhaps convince us of the probability of these remarks.
Cooking and Dining in Imperial Rome|Apicius
I shall disappear as suddenly as I have come—you will neither of you, in all probability, ever see me again.'
The Pirate and The Three Cutters|Frederick Marryat
In all probability most of Zerubbabel's and Ezra's pilgrims had been in humble circumstances.
Expositor's Bible: Ezra, Nehemiah, and Esther|Walter Adeney
Accordingly, two spies were despatched to ascertain the probability of success.
Life of Sir William Wallace of Elderslie, Vol. I (of II)|John D. Carrick

British Dictionary definitions for probability

probability

/ (ˌprɒbəˈbɪlɪtɪ) /

noun plural -ties

the condition of being probable

an event or other thing that is probable

statistics a measure or estimate of the degree of confidence one may have in the occurrence of an event, measured on a scale from zero (impossibility) to one (certainty). It may be defined as the proportion of favourable outcomes to the total number of possibilities if these are indifferent (mathematical probability), or the proportion observed in a sample (empirical probability), or the limit of this as the sample size tends to infinity (relative frequency), or by more subjective criteria (subjective probability)

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Idioms and Phrases with probability

probability

see in all probability.

Cultural definitions for probability

probability

A number between zero and one that shows how likely a certain event is. Usually, probability is expressed as a ratio: the number of experimental results that would produce the event divided by the number of experimental results considered possible. Thus, the probability of drawing the ten of clubs from an ordinary deck of cards is one in fifty-two (1:52), or one fifty-second.

Scientific definitions for probability

probability

[ prŏb′ə-bĭl′ĭ-tē ]

A number expressing the likelihood of the occurrence of a given event, especially a fraction expressing how many times the event will happen in a given number of tests or experiments. For example, when rolling a six-sided die, the probability of rolling a particular side is 1 in 6, or 16.

单词	probability
释义	probability [ prob-uh-bil-i-tee ] / ˌprɒb əˈbɪl ɪ ti / SEE SYNONYMS FOR probability ON THESAURUS.COM noun, plural prob·a·bil·i·ties. the quality or fact of being probable. a strong likelihood or chance of something: The probability of the book's success makes us optimistic. a probable event, circumstance, etc.: Our going to China is a probability. Statistics. the relative possibility that an event will occur, as expressed by the ratio of the number of actual occurrences to the total number of possible occurrences. the relative frequency with which an event occurs or is likely to occur. Idioms for probability in all probability, very probably; quite likely: The factory will in all probability be relocated. Origin of probability From the Latin word probābilitās, dating back to 1545–55. See probable, -ity OTHER WORDS FROM probability non·prob·a·bil·i·ty, noun, plural non·prob·a·bil·i·ties.su·per·prob·a·bil·i·ty, noun, plural su·per·prob·a·bil·i·ties. Words nearby probability pro-American, pro-ana, prob, probabilism, probabilistic, probability, probability curve, probability density function, probability distribution, probability function, probability theory Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for probability The probability an interval had zero signals was the probability that the first source didn’t emit a signal, 1−p, times the probability the second source didn’t emit a signal, 1−q. Can You Cover The Globe?\|Zach Wissner-Gross\|August 28, 2020\|FiveThirtyEight In fact, for cancer, historically, the probability of success is about 5 percent. Will a Covid-19 Vaccine Change the Future of Medical Research? (Ep. 430)\|Stephen J. Dubner\|August 27, 2020\|Freakonomics Physicists have algorithms to compute the probabilities of no-loop and one-loop scenarios, but many two-loop collisions bring computers to their knees. The Mathematical Structure of Particle Collisions Comes Into View\|Charlie Wood\|August 20, 2020\|Quanta Magazine Simply put, in-market audiences are potential leads that have a high probability of conversion. How to use in-market audiences for better search campaigns\|Harikrishna Kundariya\|August 18, 2020\|Search Engine Watch When you were told that your opponent would “play rock or paper with equal probability,” most solvers assumed that meant both probabilities were 50 percent, rather than being equal but less than 50 percent. Can You Reach The Beach?\|Zach Wissner-Gross\|August 7, 2020\|FiveThirtyEight Probability: 96 percent, unless this spring you finally gave up and ordered central air conditioning, in which case, 15 percent. Let’s Lay Out the Odds on Your Crazy Summer\|Kelly Williams Brown\|May 25, 2014\|DAILY BEAST A resurrection would be a miracle and as such would defy all “probability.” Do We Know if There Was Really An Empty Tomb?\|Bart D. Ehrman\|April 19, 2014\|DAILY BEAST The best we can offer is a probability that an earthquake might occur along a fault in a given period of time. A Lot of Earthquakes Have Been Reported Lately, but Scientists Aren’t Worried\|Erik Klemetti\|April 2, 2014\|DAILY BEAST The meaning of a “probability” estimate can be understood by resorting to the last refuge of political metaphors: sports. You Don’t Need Nate Silver to ‘Predict’ a GOP Win This Fall\|Jeff Greenfield\|March 26, 2014\|DAILY BEAST In all probability, Americans will continue to be killed and wounded, but at a lower rate. Should the Military Pull All Forces Out of Afghanistan After 2014?\|Daniel L. Davis\|February 28, 2014\|DAILY BEAST His dream of wealth and position would in all probability never have materialized. The Boy Broker\|Frank A. Munsey A glance at some Chinese and Japanese methods of cookery may perhaps convince us of the probability of these remarks. Cooking and Dining in Imperial Rome\|Apicius I shall disappear as suddenly as I have come—you will neither of you, in all probability, ever see me again.' The Pirate and The Three Cutters\|Frederick Marryat In all probability most of Zerubbabel's and Ezra's pilgrims had been in humble circumstances. Expositor's Bible: Ezra, Nehemiah, and Esther\|Walter Adeney Accordingly, two spies were despatched to ascertain the probability of success. Life of Sir William Wallace of Elderslie, Vol. I (of II)\|John D. Carrick British Dictionary definitions for probability probability / (ˌprɒbəˈbɪlɪtɪ) / noun plural -ties the condition of being probable an event or other thing that is probable statistics a measure or estimate of the degree of confidence one may have in the occurrence of an event, measured on a scale from zero (impossibility) to one (certainty). It may be defined as the proportion of favourable outcomes to the total number of possibilities if these are indifferent (mathematical probability), or the proportion observed in a sample (empirical probability), or the limit of this as the sample size tends to infinity (relative frequency), or by more subjective criteria (subjective probability) Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Idioms and Phrases with probability probability see in all probability. The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. Words related to probability prospect, anticipation, odds, expectation, possibility, feasibility, chance, contingency, presumption, shot, credibility, plausibility, hazard, liability, prayer, promise, practicability, reasonableness, conceivability, likeliness Cultural definitions for probability probability A number between zero and one that shows how likely a certain event is. Usually, probability is expressed as a ratio: the number of experimental results that would produce the event divided by the number of experimental results considered possible. Thus, the probability of drawing the ten of clubs from an ordinary deck of cards is one in fifty-two (1:52), or one fifty-second. The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. Scientific definitions for probability probability [ prŏb′ə-bĭl′ĭ-tē ] A number expressing the likelihood of the occurrence of a given event, especially a fraction expressing how many times the event will happen in a given number of tests or experiments. For example, when rolling a six-sided die, the probability of rolling a particular side is 1 in 6, or 16. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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probability

noun, plural prob·a·bil·i·ties.

Idioms for probability

Origin of probability

OTHER WORDS FROM probability

Words nearby probability

Example sentences from the Web for probability

British Dictionary definitions for probability

noun plural -ties

Idioms and Phrases with probability

Words related to probability

Cultural definitions for probability

Scientific definitions for probability