JAMB Mathematics 2019 Objective — Question 12
Question 12 of 40 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2019 Objective paper, with the correct answer and a full explanation.
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Find the probability that a number picked at random from the set {43,44,45...60} is a prime number
- A. 2/3
- B. 2/9Correct
- C. 7/9
- D. 1/3
Explanation
The set has 18 numbers; the primes among them are 43,47,53,59 — 4 numbers. Probability = 4/18 = 2/9.
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