How Should I Interpret P(A and B|C)?

[alexei_kom]

Hello everybody!

Should I interpret the expression P(A and B|C) as P((A and B)|C) or as P(A and (B|C))?

Or the last expression has no meaning because P(B|C) is a ratio and I can't make an intersection with a ratio?



Thanks,

Alexei.

 

[micromass]

I interpet it as the first. And you're right, the second expression doesn't make much sense...

 

[alexei_kom]

I interpet it as the first. And you're right, the second expression doesn't make much sense...

Thank you very much!