the likelihood,chance that sth will or did happen
the chance of an event happening,expressed as a calculation based on known numbers
"the probability that an unbiased coin will fall with the head up is 0.5"
"for a while mutiny seemed a probability"
"going by past experience there was a high probability that the visitors were lost"
Protracted imprisonment actually increases the probability that subsequent offences will be committed.
出自： A. Storr