WAEC Mathematics 2023 Objective — Question 42

Question 42 of 50 from the West African Examinations Council (WAEC) Mathematics 2023 Objective paper, with the correct answer and a full explanation.

If the failed mark was 4 (from the bar chart), what is the probability that a student selected at random passed?

• A. 0.64Correct
• B. 0.36
• C. 0.74
• D. 0.64

Explanation

Total students=53. Number that failed (mark=4)=12+7+5+10=34, wait using the chart's given frequencies, number that passed=34 out of 53 total → P(pass)=34/53≈0.64.

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