May/June 2026 Paper 52

2026 · 7 questions · 17 parts · 50 marks

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Q1
1(a)1(b)
–/6 mks
Q2
2(a)2(b)2(c)
–/8 mks
Q3
3(a)3(b)
–/4 mks
Q4
4(a)4(b)
–/8 mks
Q5
5(a)5(b)5(c)
–/7 mks
Q6
6(a)6(b)6(c)
–/8 mks
Q7
7(a)7(b)
–/9 mks
4(a)Binomial Geometric DistributionsMedium3 marks
Every day Haz attempts to complete a particular type of puzzle in less than 10 minutes. On any attempt, the probability that she will succeed is 0.6. Find the probability that on 9 randomly chosen days, Haz completes the puzzle in less than 10 minutes on at least 7 of these 9 days.
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Probability
4(b)Normal Distribution Normal ApproximationsHard5 marks
120 days are chosen at random. Use an approximation to find the probability that Haz completes the puzzle in less than 10 minutes on fewer than 66 of these 120 days.
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Probability