begin array c c Marks amp 2 amp 3 amp 4 amp 5 a... - JAMB Mathematics 2009 Question
\(\begin{array}{c|c} Marks & 2 & 3 & 4 & 5 & 6 & 7 & 8 & 9\ \hline No. of students & 3 & 4 & 1 & 0 & 4 & 5 & 2 & 1\end{array}\)
The table above shows the distribution of marks of students in a test. Find the probability of passing the test if the pass mark is 5.
The table above shows the distribution of marks of students in a test. Find the probability of passing the test if the pass mark is 5.
A
\(\frac{3}{5}\)
B
\(\frac{2}{5}\)
C
\(\frac{7}{20}\)
D
\(\frac{1}{5}\)
correct option: a
p (pass at 5mark) = \(\frac{12}{20}\)
= \(\frac{3}{5}\)
= \(\frac{3}{5}\)
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