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Probabilities Meaning: Definition, Examples, and Translations

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probabilities

[ˌprɒb.əˈbɪl.ɪ.ti ]

Definitions

Context #1 | Noun

mathematics

The chances of a particular outcome occurring in a given situation.

Synonyms

chance, likelihood, odds.

Which Synonym Should You Choose?

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Word Description / Examples
probabilities

Used in mathematical, statistical, or scientific contexts to discuss the likelihood of various outcomes.

  • The probabilities of different weather events can be calculated using historical data.
  • We need to consider the probabilities before making our decision.
likelihood

Often used in discussions where the probability or chance of something happening is being debated or considered, sometimes with a more formal tone.

  • The likelihood of finding a solution is quite high.
  • What's the likelihood that he'll change his mind?
chance

Commonly used in everyday language to talk about the possibility of something happening, usually in a casual or non-technical manner.

  • There's a good chance it will rain tomorrow.
  • Do you think we stand a chance of winning?
odds

Frequently used in gambling, betting, or any context where risks and benefits are being weighed. It often conveys a sense of weighing one outcome against another.

  • The odds are in our favor to win this game.
  • What are the odds of drawing an ace from the deck?

Examples of usage

  • The probabilities of flipping a coin and getting heads is 0.5.
  • The probability of winning the lottery is very low.
Context #2 | Noun

statistics

A measure of the likelihood of a random variable taking on a specific value or set of values.

Synonyms

chance, likelihood, odds.

Which Synonym Should You Choose?

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Word Description / Examples
probabilities

Use this in formal or scientific contexts when discussing the likelihood of various outcomes based on statistical data or mathematical reasoning.

  • The probabilities of rolling a six on a fair die is 1 in 6.
  • Scientists are calculating the probabilities of life existing on other planets.
likelihood

Use this in semi-formal contexts to discuss the probability or chance of something happening, often when the outcome is somewhat predictable.

  • The likelihood of her passing the exam is quite high.
  • We need to assess the likelihood of project success before proceeding.
chance

This word is appropriate in casual contexts to describe a possibility of something happening, often without precise calculation.

  • There's a chance it might rain tomorrow.
  • He took a chance and invested in a new company.
odds

Commonly used in gambling or informal settings to describe the probability of a specific outcome, often in a ratio form. Can sometimes have a negative or risky connotation.

  • The odds of winning the lottery are very low.
  • What are the odds that we'll run into each other in such a big city?

Examples of usage

  • The probability of rolling a 6 on a fair six-sided die is 1/6.
  • The probability distribution shows the likelihood of different outcomes.
Context #3 | Noun

general

The extent to which something is probable; the likelihood of something happening or being the case.

Synonyms

chance, likelihood, odds.

Which Synonym Should You Choose?

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Word Description / Examples
probabilities

Often used in scientific, mathematical, or statistical contexts where numerical values are assigned to the likelihood of events.

  • The probabilities of rolling a six on a die are 1 in 6.
  • Scientists calculate the probabilities of different outcomes in their experiments.
likelihood

Used to describe how probable something is, often in formal or semi-formal contexts. Sometimes implies a higher probability.

  • There is a strong likelihood that the project will be delayed.
  • The likelihood of success is higher if we start early.
chance

Commonly used in everyday language to describe the possibility of something happening, often without specifying exact numbers.

  • There is a chance it might rain tomorrow.
  • You should take a chance and apply for that job.
odds

Frequently used in contexts related to gambling, betting, or when comparing the likelihood of different outcomes.

  • The odds of winning the lottery are extremely low.
  • What are the odds we'll bump into each other in a city this big?

Examples of usage

  • There is a high probability of rain tomorrow.
  • The probability of success depends on various factors.

Translations

To see the translation, please select a language from the options available.

Interesting Facts

Historical Origins

  • The concept of probabilities dates back to the 16th century, evolving from games of chance and gambling.
  • Famous mathematicians like Blaise Pascal and Pierre de Fermat significantly contributed to the understanding of probabilities in the 17th century.
  • The formal study of probabilities became more established with the publication of 'An Introduction to the Theory of Probability' by Joseph Bertrand in 1889.

Mathematics

  • Probabilities use numbers from 0 to 1, where 0 means an event will never happen, and 1 means it will definitely happen.
  • The probability of all possible outcomes in a situation always adds up to 1.
  • To calculate the probability of an event, you divide the number of favorable outcomes by the total number of possible outcomes.

Science

  • In quantum mechanics, probabilities are used to predict the likelihood of a particle being found at a particular location.
  • Probabilities play a key role in genetics; traits in offspring can be predicted using probability models based on parent traits.
  • The field of epidemiology uses probabilities to assess the risk factors for diseases and potential outbreaks.

Psychology

  • People often misjudge probabilities, overestimating rare events (like winning the lottery) and underestimating frequent ones.
  • Cognitive biases can affect our understanding of probabilities, leading to poor decision-making in risk assessment.
  • The concept of 'probability weighting' explains why individuals may perceive subjective probabilities differently, often influenced by emotions.

Everyday Use

  • Weather forecasts use probabilities to inform the public about the chance of rain or sunshine.
  • Many sports analysts use probabilities to predict the outcomes of games, helping teams strategize and fans place bets.
  • Casinos rely on probabilities to set games in their favor, understanding the risks and rewards for players.

Origin of 'probabilities'

The word 'probability' originated from the Latin word 'probabilitas', meaning 'provability' or 'likeliness'. The concept of probability has been studied and developed over centuries, with contributions from mathematicians, statisticians, and scientists. It plays a crucial role in various fields such as mathematics, statistics, and decision-making processes.

See also: improbability, probabilistic.

Word Frequency Rank

Position #7,560 indicates this is an advanced-level word. While not essential for basic communication, it will enhance your ability to understand and create more nuanced content.