| 单词 | law of averages |
| 释义 | law of averagesphrase See full dictionary entry for lawThe law of averages is the idea that something is sure to happen at some time, because of the number of times it generally happens or is expected to happen. On the law of averages we just can't go on losing. law of averages in British Englishnoun (popularly) the expectation that a possible event is bound to occur regularly with a frequency approximating to its probability, as in the (actually false) example after five heads in a row the law of averages makes tails the better bet Compare law of large numberslaw of averages in American English the popularly held supposition that a possible event can be expected to occur with a frequency at or near its probability law of averages in American Englishnoun 1. a statistical principle formulated by Jakob Bernoulli to show a more or less predictable ratio between the number of random trials of an event and its occurrences 2. informal the principle that, in the long run, probability as naively conceived will operate and influence any one occurrence |
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