Post-UTME Mathematics 2015 Objective — Question 8
Question 8 of 40 from the Post-UTME Screening (Post-UTME) Mathematics 2015 Objective paper, with the correct answer and a full explanation.
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Table: Marks 2,3,4,5,6,7,8,9; No. of students 3,4,4,1,0,5,1,2. The table shows the marks distribution of students in a test. Find the probability of the students that passed the test if the cut-off mark is 6.
- A. 4/5
- B. 9/20
- C. 2/5Correct
- D. 7/20
Explanation
Total students = 3+4+4+1+0+5+1+2 = 20. Students with marks >=6 (pass) = 0+5+1+2 = 8. P(pass) = 8/20 = 2/5.
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