Find probability of event X or Y, mutually exclusive.
\( \begin{array}{l}\textbf{Event X = 4/7, Event Y = 3/7.} \\ \text{Find probability of X or Y, mutually exclusive.}\end{array} \)
Choose one option:
Use P(X or Y) = P(X) + P(Y).
Sum P(X) and P(Y).
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