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JAMB Mathematics 2015 Objective — Question 10

Question 10 of 50 from the Joint Admissions and Matriculation Board (JAMB) Mathematics 2015 Objective paper, with the correct answer and a full explanation.

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The table represents the outcome of throwing a die 100 times (Numbers 1–6, Frequencies 18,22,20,16,10,14). What is the probability of obtaining at least a 4?

  • A. 2/5Correct
  • B. 3/5
  • C. 3/10
  • D. 1/5

Explanation

P(≥4) = (16+10+14)/100 = 40/100 = 2/5.

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