\(\begin{array}{c|c}
Marks & 2 & 3 & 4 \\
\hline
Frequency & 4 & 4 & y
\end{array}\)
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.
Marks & 2 & 3 & 4 \\
\hline
Frequency & 4 & 4 & y
\end{array}\)
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.
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Correct Answer: Option C
Explanation:
(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
(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