PRC-2 · Chapter 11 · Question 8 of 60
Which mathematical rule is applied to find the probability of Event A 'OR' Event B occurring when the events are mutually exclusive?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: B) Addition Rule
Explanation
The Addition Rule states that for mutually exclusive events, you simply add the probabilities together: P(A or B) = P(A) + P(B).
More Probability Concepts MCQs
- Q10What distinguishes a 'Permutation' from a 'Combination' in probability calculations?
- Q11A 4-digit pin code can begin with any number except 0, 1, and 2. If repetition is allowed, what is the probability the pin code begins…
- Q12If an investment scenario guarantees a payout with absolutely zero risk of failure, the mathematical probability of receiving the payout…
- Q13What is the theoretical probability of an event that is physically impossible to occur?
- Q14When calculating expected values in a business scenario, how is the Expected Value (EV) mathematically derived?