Question 29
ProbabilityThe table shows the distribution of goals scored by 25 teams in a football competition.
Number of goals: 1, 2, 3, 4, 5, 6, 7
Number of teams: 3, 1, 6, 6, 4, 2, 3
Find the probability that a team selected random scored either 4 or 7 goals.
- A.9/25
- B.11/25
- C.⅗
- D.18/25
Show the answer and explanation
Answer: A (9/25)
Explanation
6 teams scored 4 and 3 scored 7: (6 + 3)/25 = 9/25.