Question Detail

BIO 201 Genetics 1 Objective Question

Question

If two events A and B are mutually exclusive, what is the probability that either event A or event B occurs?
Options
A P(A) × P(B)
B P(A) + P(B)
Correct Answer
C P(A) / P(B)
D [P(A) + P(B)] × P(A ∩ B)
Correct Answer

Option B is the correct answer.

Detailed Explanation

By the sum rule (addition rule) of probability, the probability of either of two mutually exclusive events occurring is the sum of their individual probabilities: P(A or B) = P(A) + P(B).

Hint

No hint available

Question Info