The marks obtained by 100 students in a test is given below.
| Marks | Number of students |
| 1-10 | 4 |
| 11-20 | 20 |
| 21-30 | 14 |
| 31-40 | 30 |
| 41-50 | 32 |
Out of these students, one is chosen at random. What is the probability that his marks lie in the interval 31-40?
1
\(\frac{3}{10}\)
2
\(\frac{7}{50}\)
3
\(\frac{8}{25}\)
4
\(\frac{1}{5}\)
5
Question Not Attempted