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Independence

  • Sidney I. Resnick
Chapter

Abstract

Independence is a basic property of events and random variables in a probability model. Its intuitive appeal stems from the easily envisioned property that the occurrence or non-occurrence of an event has no effect on our estimate of the probability that an independent event will or will not occur. Despite the intuitive appeal, it is important to recognize that independence is a technical concept with a technical definition which must be checked with respect to a specific probability model. There are examples of dependent events which intuition insists must be independent, and examples of events which intuition insists cannot be independent but still satisfy the definition. One really must check the technical definition to be sure.

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Copyright information

© Springer Science+Business Media New York 2005

Authors and Affiliations

  • Sidney I. Resnick
    • 1
  1. 1.School of Operations Research and Industrial EngineeringIthacaUSA

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