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cari1966
Jul 11, 2012, 08:54 AM
Compute P(E|F) AND P(F|E) GIVEN P(E)=.4 P(F)=.6 AND P(E AND F)= .23

Unknown008
Jul 11, 2012, 09:11 AM
And you tried what exactly?

cari1966
Jul 11, 2012, 09:25 AM
Compute P(E|F) AND P(F|E) GIVEN P(E)=.4 P(F)=.6 AND P(E AND F)= .23

Unknown008
Jul 11, 2012, 09:28 AM
As I said before...

And you tried what exactly?

cari1966
Jul 11, 2012, 09:28 AM
I have the formula E|F=p(E AND F)/pF but I don't get how to work it.

Unknown008
Jul 11, 2012, 09:30 AM
You have:

P(E|F) = \frac{P(E\ \cap\ F)}{P(F)}

What is P(E\ \cap\ F)?

What is P(F)?

cari1966
Jul 11, 2012, 09:51 AM
so it P(E|F)= .23/.6 AND P(F|E)= .23/.40?

Unknown008
Jul 11, 2012, 09:57 AM
You nailed it :)

It wasn't that hard, right?

cari1966
Jul 11, 2012, 10:50 AM
Thank you...