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Pixel:
Probability A and B are two events. P(A)=0.25 , P(B)=0.5 and P(A and B)=0.15 . What is the value of P(A or B) ?
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Pixel:
0.60?
justjm:
As long as they are nondisjoint, P(A U B) = P(A) + P(B) - P(A∩B) You are right, you probably did 0.25 + 0.5 - 0.15
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