GCSE Maths Practice: mutually-exclusive-events

Question 7 of 10

Find probability of event M or N, mutually exclusive.

\( \begin{array}{l}\textbf{Event M = 1/3, Event N = 1/4.} \\ \text{Find probability of M or N, mutually exclusive.}\end{array} \)

Choose one option:

Use P(M or N) = P(M) + P(N).

Simply add P(M) and P(N).