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Interpretation of P(A and B|C)

by alexei_kom
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alexei_kom
#1
Nov21-10, 11:18 AM
P: 5
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.
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micromass
#2
Nov21-10, 11:44 AM
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P: 18,062
I interpet it as the first. And you're right, the second expression doesn't make much sense...
alexei_kom
#3
Nov21-10, 12:05 PM
P: 5
Quote Quote by micromass View Post
I interpet it as the first. And you're right, the second expression doesn't make much sense...
Thank you very much!


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