- 16 Marks
QT – May 2019 – L1 – Q6b – Probability
Calculate probabilities based on student survey data regarding their favorite sports.
Question
A survey of The Institute of Chartered Accountants (Ghana) students asked the question: “What is your favourite sport?” The results are summarized below:
Level | Football | Boxing | Hockey | Total |
---|---|---|---|---|
1 | 68 | 41 | 46 | 155 |
2 | 84 | 56 | 70 | 210 |
3 | 59 | 74 | 47 | 180 |
Total | 211 | 171 | 163 | 545 |
Required: i) What is the probability of selecting a student whose favourite sport is boxing? (2 marks)
ii) What is the probability of selecting a Level 1 student? (2 marks)
iii) If the student selected is a Level 2 student, what is the probability that the student prefers hockey? (3 marks)
iv) If the student selected is a Level 2 student, what is the probability that the student prefers football or hockey? (3 marks)
v) If the student selected prefers football, what is the probability that the student is a Level 1 student? (3 marks)
vi) If the student selected is a Level 3 student, what is the probability that the student prefers football, boxing, or hockey? (3 marks)
Find Related Questions by Tags, levels, etc.
- Tags: Conditional Probability, Probability, Probability Calculation, Survey Data
- Level: Level 1
- Topic: Probability
- Series: MAY 2019