Meaning & use

conditional probability

noun·Advanced

The likelihood of an event occurring given that another related event has already happened.

See it in a sentence

The conditional probability of drawing a king, given the card is a face card, is one third.

Weather forecasters calculate the conditional probability of rain given rising humidity levels.

A note on using this word

Written as P(A|B), conditional probability is distinct from the plain probability of an event occurring alone.

Words with a similar meaning

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