Multiple Choice Questions
Unit D1
Probability of One Event
For each of these questions, choose the option (A, B, C or D) that is TRUE.
1
A bag contains 7 RED sweets, 5 GREEN sweets and 8 BLUE sweets. One sweet is taken out. What is the probability that the sweet is red or green?
- (A)
- (B)
- (C)
- (D)
2
These coins are in a box. One coin is taken out at random. What is the probability that it is a 10 p coin?
- (A)
- (B)
- (C)
- (D)
3
The table shows the distribution of the ages of 25 students.
| Age | 11 | 12 | 13 | 14 | 15 | 16 |
| No. of students | 6 | 3 | 5 | 4 | 4 | 3 |
What is the probability that a student chosen at random is AT LEAST 13 years old?
- (A)
- (B)
- (C)
- (D)
4
In a box, there are 3 white, 4 red and 2 blue marbles. What is the probability that a marble taken at random is NOT blue?
- (A)
- (B)
- (C)
- (D)
Total: -
of marks