WAEC Mathematics 2015 Objective — Question 29
Question 29 of 50 from the West African Examinations Council (WAEC) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
Advertisement
The probabilities that Kenna, Ebou and Omar will hit a target are 2/3, 3/4 and 4/5 respectively. Find the probability that only Kebba will hit the target.
- A. 2/5
- B. 7/60
- C. 1/30Correct
- D. 1/60
Explanation
P(only Kebba hits) = P(Kebba hits)×P(others miss) = (2/3)×(1/4)×(1/5) = 2/60 = 1/30.
Advertisement
Sign up free to unlock
- Score tracking
- Practice history
- Saved questions
- Progress dashboard
- Personalized sessions
- Weak-topic breakdown
…and/or go further with premium services and No Ads.