The bar chart shows the distribution of marks s... - JAMB Mathematics 1998 Question
A
59.4%
B
50.0%
C
41.7%
D
25.0%
correct option: c
(\begin{array}{c|c} x & 0 & 1 & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 & 10 \ \hline f & 1 & 9 & 4 & 7 & 10 & 8 & 7 & 9 & 8 & 2 & 1\end{array})
no pupils who failed the test = 1 + 3 + 4 + 7 + 10
= 25
5 of pupils who fail = (\frac{25}{60}) x 100%
= 41.70%
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