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BUS 3100 Quantitative Analysis for Business Exam with Questions and Answers
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BUS 3100
BUS 3100
BUS 3100 Quantitative Analysis for Business Exam with Questions and Answers If P(A)=0.5, P(B)=0.4, and P(A ∩ B)=0.2, what is the relationship between A and B? a) Dependent because P(A ∩ B) ≠ P(A) + P(B) b) Independent because P(A ∩ B)=P(A)P(B) c) Independent because P(A ∪ B)=P(A)P(B) d) Dependent because P(A|B) ≠ P(B) Correct Answer: b Rationale: Independence is defined by P(A ∩ B)=P(A)P(B). Here, 0.5×0.4=0.2, which equals P(A ∩ B), confirming independence. Which state...
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