JAMB Mathematics 2004 Question 50

Question 50

Probability

A container has 30 gold medals, 22 silver medals and 18 bronze medals. If one medal is selected at random from the container, what is the probability that it is not a gold medal?

  1. A.4/7
  2. B.3/7
  3. C.11/35
  4. D.9/35
Show the answer and explanation

Answer: A (4/7)

Explanation

There are 70 medals and 40 are not gold, so the probability is 40/70 = 4/7.