ai_hoi

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A akin maths; Edexcel; S1. Question: P(A) = 0.6, P(B) = 0.3 and P(A U B) = 0.8, acquisition P(A n B). Why does this make sense? I anticipation P(A U B) was affected as P(A) + P(B) - P(AnB), but acutely this doesn't work. Answer states P(A n B) = 0.1
 

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