Mathematics (AS & A Level) · May / June 2023 · Paper 63 · Question 3
9709
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In a random sample of 100 students at Luciana’s college, x students said that they liked exams. Luciana used this result to find an approximate 90% confidence interval for the proportion, p, of all students at her college who liked exams. Her confidence interval had width 0.157 92.
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3(a)[4]
3(b)[1]
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