Definition of Probability
(noun) The likelihood an event will occur, expressed as a number between 0 and 1 (i.e., 0.5 indicates 1/2 or 50%).
Examples of Probability
- The probability that it will rain tomorrow.
- The probability of a flipped coin landing on heads or tails.
- American English – /prahb-uh-bIl-uh-tee/
- British English – /prob-uh-bIl-i-tee/
International Phonetic Alphabet
- American English – /ˌprɑbəˈbɪlᵻdi/
- British English – /ˌprɒbəˈbɪlᵻti/
- Plural: probabilities
- Probability is the study of randomness or chance, as such finds its origins in gambling.
- Karl Pearson (1857–1936) helped establish the discipline of statistics and founded the first statistics department at the University College of London.
- Type: divorce probability
- Also called chance.
- Quantitative Research Resources – Books, Journals, and Helpful Links
- Word origin of “probability” – Online Etymology Dictionary: etymonline.com
- control group
- descriptive statistics
- inferential statistics
- random sample
- spurious correlation
- statistical analysis
Babbie, Earl. 2013. The Practice of Social Research. 13th ed. Belmont, CA: Wadsworth.
Bryman, Alan. 2012. Social Research Methods. 4th ed. New York: Oxford University Press.
Burdess, Neil. 2010. Starting Statistics: A Short, Clear Guide. Thousand Oaks, CA: SAGE.
Cramer, Duncan, and Dennis Howitt. 2004. The SAGE Dictionary of Statistics: A Practical Resource for Students in the Social Sciences. Thousand Oaks, CA: SAGE.
Farlex. (N.d.) TheFreeDictionary.com: Dictionary, Encyclopedia and Thesaurus. Farlex. (http://www.thefreedictionary.com/).
Fioramonti, Lorenzo. 2014. How Numbers Rule the World: The Use and Abuse of Statistics in Global Politics. London: Zed Books.
Larson, Ron, and Elizabeth Farber. 2015. Elementary Statistics: Picturing the World. 6th ed. Boston: Pearson.
Oxford University Press. (N.d.) Oxford Dictionaries. (https://www.oxforddictionaries.com/).
Salkind, Neil J., ed. 2007. Encyclopedia of Measurement and Statistics. Thousand Oaks, CA: SAGE.
Taylor & Francis. (N.d.) Routledge Handbooks Online. (https://www.routledgehandbooks.com/).
Weinstein, Jay A. 2010. Applying Social Statistics: An Introduction to Quantitative Reasoning in Sociology. Lanham, MD: Rowman & Littlefield.
Wikipedia contributors. (N.d.) Wikipedia, The Free Encyclopedia. Wikimedia Foundation. (https://en.wikipedia.org/).
Wikipedia contributors. (N.d.) Wiktionary, The Free Dictionary. Wikimedia Foundation. (http://en.wiktionary.org).
Wiley. (N.d.) Wiley Online Library. (http://onlinelibrary.wiley.com/).
ASA – American Sociological Association (5th edition)
Bell, Kenton, ed. 2015. “probability.” In Open Education Sociology Dictionary. Retrieved October 23, 2021 (https://sociologydictionary.org/probability/).
APA – American Psychological Association (6th edition)
probability. (2015). In K. Bell (Ed.), Open education sociology dictionary. Retrieved from https://sociologydictionary.org/probability/
Chicago/Turabian: Author-Date – Chicago Manual of Style (16th edition)
Bell, Kenton, ed. 2015. “probability.” In Open Education Sociology Dictionary. Accessed October 23, 2021. https://sociologydictionary.org/probability/.
MLA – Modern Language Association (7th edition)
“probability.” Open Education Sociology Dictionary. Ed. Kenton Bell. 2015. Web. 23 Oct. 2021. <https://sociologydictionary.org/probability/>.