Probability tree & bag

Conditional probability diagrams

•	If events \(A\) and \(B\) cannot occur together, then the two events are mutually exclusive.
\(\to \mathrm{P}(A \cap B) = 0\)
\(\to \mathrm{P}(A \cup B) = \mathrm{P}(A) + \mathrm{P}(B)\)

•	If events \(A\) and \(B\) cannot occur together, then the two events are mutually exclusive.

\(\to \mathrm{P}(A \cup B) = \mathrm{P}(A) + \mathrm{P}(B)\)

Mutually Exclusive Events

Mutually Exclusive Events

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