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OpenStudy (anonymous):
Events A and B are mutually exclusive. Also, P(A) = 0.54 and P(B) = 0.09. What is P(A or B)?
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OpenStudy (anonymous):
please help me
OpenStudy (anonymous):
In general, P(A or B) = P(A) + P(B) - P(A and B). Mutually exclusive means that (simply) P(A and B) = 0. Hope this helps.
OpenStudy (anonymous):
thank you so much
OpenStudy (anonymous):
You are welcome!
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