if P(A) = .4 and P(A ∩ B) = 33, what are the possible values for P(B)?
Update:
If P(A) = .4 and P(A ∩ B) = .3, what are the possible values for P(B)?
Update 3:sorry this is the correct question if P(A) = .4 and P(A ∩ B) = .3, what are the possible values for P(B)? I think you are suppose to use the additive rule some how P( A ∪ B) = P(A) + P(B) - P(A ∩ B). but i am not sure how to find P( A ∪ B).
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Anything from 0.33 through 1