Question 42
ProbabilityThe bar chart represents the distribution of marks scored by students in an Economics examination. If the failed mark was 4, what is the probability that a student selected at random passed?
- A.0.64
- B.0.36
- C.0.74
- D.0.52
Show the answer and explanation
Answer: A (0.64)
Explanation
Students who passed scored 5 to 8 marks: 12 + 7 + 5 + 10 = 34 out of 53 students. 34/53 ≈ 0.64.