WAEC Mathematics 2004 Question 35

The table below gives the marks scored by a group of students in a test.
Mark: 0, 1, 2, 3, 4, 5
Frequency: 1, 2, 7, 5, 4, 3
What is the probability of selecting a student from the group that scored 2 or 3?

1. A.1/11
2. B.5/22
3. C.7/22
4. D.6/11