GCSE Maths Practice: mutually-exclusive-events

Question 3 of 10

Find probability of event C or D, mutually exclusive.

\( \begin{array}{l}\textbf{Event C = 1/5, Event D = 2/5.} \\ \text{Find probability of C or D, mutually exclusive.}\end{array} \)

Choose one option:

Use P(C or D) = P(C) + P(D).

Add the probabilities of C and D.