| mark | 2 | 3 | 4 |
| Frequency | 4 | 4 | y |
The table above shows the frequency distribution of marks obtained by a group of students. If the total mark is 48, find the value of y.
(2 x 4) + (3 x 4) + (4 x y) = 48
8 + 12 + 4y = 48
4y = 48 - 20
\(\frac{4y}{4}\) = \(\frac{28}{4}\)
y = 7
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