Assume that the event K and M are mutually exclusive, and that P(K) = 0.2 and P(M) = 0.6. What is the probability, P(K or M)?
0.80
0.40
0.12
0.36
P(K or M) = P(K) + P(M) = 0.2 + 0.6 = 0.80
Therefore, the probability is 0.80.
0.80
0.40
0.12
0.36
Therefore, the probability is 0.80.