A brief introduction to probability

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The theory of probability has been debated for centuries: back in 1600, French mathematics used the rules of probability to place and win bets. Subsequently, the knowledge of probability has significantly evolved and is now an essential tool for statistics. In this paper, the basic theoretical principles of probability will be reviewed, with the aim of facilitating the comprehension of statistical inference. After a brief general introduction on probability, we will review the concept of the "probability distribution" that is a function providing the probabilities of occurrence of different possible outcomes of a categorical or continuous variable. Specific attention will be focused on normal distribution that is the most relevant distribution applied to statistical analysis.

Original languageEnglish
Pages (from-to)1129-1132
Number of pages4
JournalJournal of Thoracic Disease
Issue number2
Publication statusPublished - Feb 1 2018


  • Inference
  • Normal distribution
  • Probability

ASJC Scopus subject areas

  • Pulmonary and Respiratory Medicine


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