GCSE Maths Practice: mutually-exclusive-events

Question 10 of 10

Calculate P(X or Y) for mutually exclusive events.

\( \begin{array}{l}\textbf{Event X = 7/12, Event Y = 5/12.} \\ \text{Find probability of X or Y.}\end{array} \)

Choose one option:

P(X or Y) = P(X) + P(Y)

Sum probabilities of X and Y.