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JAMB Mathematics 2004 Question 49

Question 49

Probability

An unbiased die is rolled 100 times and the outcome is tabulated as follows:
Number: 1, 2, 3, 4, 5, 6
Frequency: 13, 15, 22, 14, 20, 16
What is the probability of obtaining 5?

  1. A.1/6
  2. B.1/5
  3. C.1/4
  4. D.1/2
Show the answer and explanation

Answer: B (1/5)

Explanation

5 came up 20 times out of 100, so the probability is 20/100 = 1/5.