Marks | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
No. of students | 3 | 4 | 1 | 0 | 4 | 5 | 2 | 1 |
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?
3 |
5 |
2 |
5 |
7 |
20 |
1 |
5 |
Correct answer is A
Total number of students = 20
Marks | No. of students |
5 | 0 |
6 | 4 |
7 | 5 |
8 | 2 |
9 | 1 |
12 |
P(passing)= | 12 |
20 |
= | 3 |
5 |
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