SOLUTION: If P(A or B) = 0.8, P(A) = 0.8 and P(B) = 0.5, determine P(A and B). (Points : 3) 0.35 0.50 0.64 0.13
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-> SOLUTION: If P(A or B) = 0.8, P(A) = 0.8 and P(B) = 0.5, determine P(A and B). (Points : 3) 0.35 0.50 0.64 0.13
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Question 408046
:
If P(A or B) = 0.8, P(A) = 0.8 and P(B) = 0.5, determine P(A and B).
(Points : 3)
0.35
0.50
0.64
0.13
Answer by
robertb(4012)
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P(A and B) = P(A) + P(B) - P(A U B) = 0.8 + 0.5 - .8 = 0.5