2012
Mathematics
JAMB
The bar chart above shows the distribution of marks in a class test. If the pass mark is 5, what percentage of students failed the test?
A.
10%
B.
20%
C.
50%
D.
60%
Correct Answer: 50%
Explanation
Number that score less than 5: 5 + 6 + 4 + 3 + 2 = 20 Total number of students: 5 + 6 + 4 + 3 + 2 + 4 + 6 + 5 + 1 + 3 + 1 = 40. %age of students that failed: 20/40 × 100
Number that score less than 5: 5 + 6 + 4 + 3 + 2 = 20 Total number of students: 5 + 6 + 4 + 3 + 2 + 4 + 6 + 5 + 1 + 3 + 1 = 40. %age of students that failed: 20/40 × 100THIS WEEK's
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