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The law of multiplication states that the probability that \(A\) and \(B\) occur is equal to the probability that \(A\) occurs times the conditional probability that \(B\) occurs, given that we know \(A\) has already occurred.
The law of addition for probabilities describes two formulas, one for the probability for either of two mutually exclusive events happening and the other for the probability of two non-mutually exclusive events happening.
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