## law of averages

law of averages the popularly held supposition that a possible event can be expected to occur with a frequency at or near its probability

## law of averages

noun

The principle holding that the relative frequency with which an event occurs in repeated trials will converge to a stable value over time as the number of samples increases. Also called

*Bernoulli's law*. Also called*law of large numbers*.## law-of-averages

Noun

(*uncountable*)

- (statistics) The statistical tendency toward a fixed proportion in the results when an experiment is repeated a large number of times; the law of large numbers.
- (informal) An imaginary or perceived "law" of probabilities which is wrongly used to predict results in the short-term.
*This coin has landed on heads ten times, so by the law of averages it must land on tails next time.*