A-LevelMathematicsProbability and statisticsOct/Nov 2024Paper 5 Q16 Marks
At a college, the students choose exactly one of tennis, hockey or netball to play. The table shows the numbers of students in Year 1 and Year 2 at the college playing each of these sports. Tennis Hockey Netball Year 1 16 22 12 Year 2 24 18 28 One student is chosen at random from the 120 students. Events X and N are defined as follows: X: the student is in Year 1 N: the student plays netball.
📋 Examiner Report & Trap Analysis
Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...
🎯 Mark Scheme Breakdown
Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.
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