Likelihood is the hypothetical probability that an event that has already occurred would yield a specific outcome. The concept differs from that of a probability in that a probability refers to the occurrence of future events, while a likelihood refers to past events with known outcomes.
Likelihood
See also
Graph Likelihood, Likelihood Function, Likelihood Ratio, Maximum Likelihood, Maximum Likelihood Estimator, Negative Likelihood Ratio, ProbabilityExplore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Likelihood." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/Likelihood.html