SOLUTION: state the additional law of probabilities for not mutually exclusive event

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Question 1172549: state the additional law of probabilities for not mutually exclusive event
Answer by ikleyn(53763) About Me  (Show Source):
You can put this solution on YOUR website!
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state the additional law of probabilities for not mutually exclusive event
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The general formula for the probability of the union of events is

        P(A U B) = P(A) + P(B) - P(A ∩ B).


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Notice how I call this formula: its name is different from what you use in your post.

You call this formula INCORRECTLY.