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let a denote the event when a person consumes coca cola and b denote the event when he consumes pepsi suppose p a 0 50 and

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Let A denote the event when a person consumes Coca-Cola and B denote the event when he consumes Pepsi. Suppose P(A)=0.50 and P(B)=0.30. a) Why is it not the case that P(A) + P(B) = 1? b) Calculate P(B') c) Calculate P (A ∩ B) d) Calculate P (A ∪ B)

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Answer to a math question Let A denote the event when a person consumes Coca-Cola and B denote the event when he consumes Pepsi. Suppose P(A)=0.50 and P(B)=0.30. a) Why is it not the case that P(A) + P(B) = 1? b) Calculate P(B') c) Calculate P (A ∩ B) d) Calculate P (A ∪ B)

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a) porque hay otros refrescos aparte del alcohol y la pepsi

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