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# tinglik tõenäosus

olemus
sündmuse $$A$$ tõenäosus $$\mathsf{P}[A|B]$$, kui
on toimunud sündmus $$B$$

formaalselt
ühisosa $$A\cap B$$ ja sündmuse $$B$$ tõenäosuste suhe
$$\mathsf{P}[A|B] = \frac{\mathsf{P}[A\cap B]}{\mathsf{P}[B]}$$

Wiktionary:
the probability that an event will take place given the restrictive assumption that another event has taken place, or that a combination of other events has taken place (Mathematically, the definition would be that the conditional probability of B given A is equal to the joint probability of A and B divided by the probability of A.)

ülevaateid
https://en.wikipedia.org/wiki/Conditional_probability

https://courses.cs.washington.edu/courses/cse312/11au/slides/04cprob.pdf

https://www3.nd.edu/~apilking/Math10120/Lectures/Solutions/Topic11.pdf