Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025
Definition
An experiment is a process or action that generates observable outcomes. It is used to measure the likelihood of various results in a probabilistic context.
5 Must Know Facts For Your Next Test
Experiments are fundamental for determining probabilities and can be repeated under identical conditions.
Each repetition of an experiment is called a trial.
The set of all possible outcomes of an experiment is called the sample space.
Events are subsets of the sample space and can consist of one or more outcomes.
Experiments can be classified as independent or dependent based on whether the outcome of one trial affects another.