Event (probability theory)
Event (probability theory)
An Event in Probability theory is the outcome of an experiment or a collection of outcomes. It is a well-defined set of possible results of a random experiment.
Pronunciation
- IPA: /ɪˈvɛnt/
Etymology
The term "Event" in probability theory is derived from the Latin word "eventus" which means "outcome".
Definition
In Probability theory, an event is a set of outcomes of an experiment (a subset of the sample space) to which a probability is assigned. A single outcome may be an element of many different events, and different events in an experiment are usually not equally likely since they may include very different groups of outcomes.
Related Terms
- Sample Space: The set of all possible outcomes or results of an experiment.
- Outcome (probability): The result of a single trial of a probability experiment.
- Probability: A measure of the likelihood that a given event will occur.
- Experiment (probability theory): Any procedure that can be infinitely repeated and has a well-defined set of outcomes.
- Random variable: A variable whose possible values are numerical outcomes of a random phenomenon.
See Also
- Probability distribution
- Conditional probability
- Independence (probability theory)
- Mutually exclusive events
External links
- Medical encyclopedia article on Event (probability theory)
- Wikipedia's article - Event (probability theory)
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