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Let A and B be events with P (A)= 0.3 and P (B)=0.7, and P (A...

Let A and B be events with P (A)= 0.3 and P (B)=0.7, and P (A or B)=0.9. (a) Compute . (b) Are and mutually exclusive? Explain. (c) Are and independent? Explain.

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