PRC-2 · Chapter 11 · Question 33 of 60
If Event A and Event B are defined as strictly mutually exclusive, and P(A) = 0.35 and P(B) = 0.45, what is the probability of P(A or B)?
Test yourself: pick an answer
Reveal answer & explanation
Correct answer: C) 0.80
Explanation
For mutually exclusive events (they cannot physically happen at the same time), the Addition Rule simplifies to P(A or B) = P(A) + P(B). Therefore, 0.35 + 0.45 = 0.80.
More Probability Concepts MCQs
- Q35A standard, fair six-sided die is rolled exactly 4 times in sequence. What is the approximate probability of rolling a '6' at least one…
- Q36If an experiment results in an event having a theoretical probability of exactly 1.0, what does this mathematically signify?
- Q37An investor evaluates a stock with a 20% chance of yielding a Rs. 100,000 profit and an 80% chance of yielding exactly Rs. 0. What is the…
- Q38If you draw one single card at random from a thoroughly shuffled, standard 52-card deck, what is the exact probability of drawing any…
- Q39Two completely independent events, C and D, have probabilities of P(C) = 0.70 and P(D) = 0.40. What is the mathematical probability of…