What caution must you take when finding the probability of events that are NOT mutually exclusive?

What caution must you take when finding the probability of events that are NOT mutually exclusive?
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When working out the probability of one or the other you must subtract the probability of both occurring.

P(A or B)=P(A)+P(B)-P(A and B).

P(A and B)=P(A) * P(B), so P(A or B)=P(A)+P(B)-P(A)P(B).

by Top Rated User (1.2m points)

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