Find the median of the set of numbers 12, 15, 13, 14, 12, 12.
The distribution by state of 840 students in the Faculty of Science of a Nigerian University in a certain session is as follows:
| Bendel | 45 |
| kwara | 410 |
| Ogun | 105 |
| Ondo | 126 |
| Oyo | 154 |
In a pie chart drawn to represent this distribution, the angle subtended by Ondo is
How many student took the examination
How many students scored less than 7 marks?
What is the probability that an integer selected from the set of integers (20, 21, ...., 30) is a prime number?
