Question 372009MathematicsJAMB

The table below shows the distribution of marks of students in a test. Find the probability of passing the test if the pass mark is 55.

Marks23456789No of Students34104521\begin{array}{|c|c|c|c|c|c|c|c|c|} \hline \text{Marks} & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9 \\ \hline \text{No of Students} & 3 & 4 & 1 & 0 & 4 & 5 & 2 & 1 \\ \hline \end{array}
A
35\frac{3}{5}
B

25\frac{2}{5}

C
120\frac{1}{20}
D
15\frac{1}{5}

Step-by-Step Explanation

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