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Elizabeth M.

asked • 10/01/17

Working on this problem: "If P(A) =.7, P(B) =.4 and P (A intersect B) =.2, find P (~B|~A).

I know P (~A) is .3 and P (~B) is .6 What next?

2 Answers By Expert Tutors

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Andy C. answered • 10/01/17

Tutor
4.9 (27)

Math/Physics Tutor

Kris V.

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If you know that A'B' = (AUB)',  the method suggested by Andy C is better.  The answer should still be 1/3.
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10/01/17

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