SOLUTION: If P(A)=0.2, P(B) = 0.8, and P(A or B) = 0.9, find (A and B)

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Question 948349: If P(A)=0.2, P(B) = 0.8, and P(A or B) = 0.9, find (A and B)
Answer by stanbon(75887) About Me  (Show Source):
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If P(A)=0.2, P(B) = 0.8, and P(A or B) = 0.9, find (A and B)
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P(A and B) = 0.2 + 0.8 - 0.9 = 0.1
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Cheers,
Stan H.
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