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Find P(A) before testing independence

Events A and B satisfy P(B)=2/3P(B)=2/3, P(A∣B)=3/5P(A\mid B)=3/5 and P(A∩B′)=1/4P(A\cap B')=1/4. State with a reason whether A and B are independent.

CJC · Lecture · Self-Practice 3

Name the events, identify the sample space, and state which outcomes or conditions are being counted.

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