The Student Room Group
Reply 1
It's A given B interscted with F. So, it's the second one.
Reply 2
Goldenratio
Hiya

Can someone clarify
P(AB,F)P(A|B,F) please
is is P(A|(BnF) or P((A|B)nF)? thank you


I think it would be the former - the probability of A given B and F are both true. Is it not clear though from the context in which it appears? Is there some equation it appears in.

EDIT: Maybe the notation isn't 100% standard. I've just done a communication theory course where it meant the first of the two throughout.
Reply 3
RichE
I think it would be the former - the probability of A given B and F are both true. Is it not clear though from the context in which it appears? Is there some equation it appears in.

EDIT: Maybe the notation isn't 100% standard. I've just done a communication theory course where it meant the first of the two throughout.


Thank you.
I'm just given that little piece of information. So far I've managed to expand it it
P(AnB|F)/P(B|F)
but not sure how to handle it.
Reply 4
Sorry, I meant the first one :O

But I would think you would you use Bayes theorem to expand it:

A(BF)(BF)\displaystyle \frac{A \cap (B\cap F)}{(B\cap F)}

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