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uncertainty

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uncertainty

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Also known as doubtfulness

thumb|Situations often arise wherein a decision must be made when the results of each possible choice are uncertain.

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Uncertainty
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~23 min read

Article

17 sections
Contents
  • Concepts
  • Uncertainty
  • Measurement
  • Second-order uncertainty
  • Risk
  • Risk versus variability
  • Knightian uncertainty
  • Risk and uncertainty
  • Radical uncertainty
  • In the media
  • Applications
  • Philosophy
  • Artificial intelligence
  • See also
  • References
  • Further reading
  • External links

thumb|Situations often arise wherein a decision must be made when the results of each possible choice are uncertain.

Uncertainty or incertitude refers to situations involving imperfect or unknown information. It applies to predictions of future events, to physical measurements that are already made, or to the unknown, and is particularly relevant for decision-making. Uncertainty arises in partially observable or stochastic or complex or dynamic environments, as well as due to ignorance, indolence, or both. It arises in any number of fields, including insurance, philosophy, physics, statistics, economics, entrepreneurship, finance, medicine, psychology, sociology, engineering, metrology, meteorology, ecology and information science.

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