Mathematics (AS & A Level) · Feb / March 2017 · Paper 72 · Question 1
9709
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The question as text
In a survey, 36 out of 120 randomly selected voters in Hungton said that if there were an election next week they would vote for the Alpha party. Calculate an approximate 90% confidence interval for the proportion of voters in Hungton who would vote for the Alpha party. [4]
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