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P(A-B)

what does P(A-B) mean?
the probability of A and B happening divided by the probability of B, i.e. what is the probability that based on B happening, A happens as well

Original post by Muudeey
what does P(A-B) mean?

This is fairly weird notation, but I think you mean P(AB)P(A \setminus B) which is just the probability of event A happening, but not event B.
Reply 3
Original post by RDKGames
This is fairly weird notation, but I think you mean P(AB)P(A \setminus B) which is just the probability of event A happening, but not event B.

This would be my best guess too of what the notation would mean.
I don't think A-B is that unusual as an alternative notation for A\B
Reply 4
Original post by RDKGames
This is fairly weird notation, but I think you mean P(AB)P(A \setminus B) which is just the probability of event A happening, but not event B.

That makes more sense. Thanks for the help

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