Mathematics for IGCSE & O level - Probability (Section 5 - No. 7)
If events A and B are mutually exclusive, what is P(A or B) equal to?
P(A) + P(B)
P(A) * P(B)
P(A) - P(B)
P(A) / P(B)
설명
For mutually exclusive events, the probability of A or B is the sum of their individual probabilities.