| 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 |
Add the same number to the numerator and denominator of 318. If the resulting fraction ...
Find the value of sin 45° - cos 30° ...
Find, correct to two decimal, the mean of 112, 223, 334, 4\(\...
If P(2,3) and Q)2, 5) are points on a graph, calculate the length PQ ...
The figure above is a Venn diagram showing the elements arranged within sets A,B,C,ε. ...
Use the graph of y = 3x2 + x - 7 above to answer the question Find the roots of the equation y...
A rectangle has length xcm and width (x - 1)cm. If the perimeter is 16cm. Find the value of x ...