GCSE Maths Practice: mutually-exclusive-events

Question 9 of 10

Find probability of event X or Y, mutually exclusive.

\( \begin{array}{l}\textbf{Event X = 2/7, Event Y = 3/7.} \\ \text{Find probability of X or Y, mutually exclusive.}\end{array} \)

Choose one option:

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

Add P(X) and P(Y).