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2 marks]A newspaper wants to commission an opinion poll to estimate the proportion of voters,p, who are in favour of the current prime minister. They

2 marks]A newspaper wants to commission an opinion poll to estimate the proportion of voters,p, who are in favour of the current prime minister. They would like to estimate this proportion with a margin of error of 0.03 (i.e. to obtain a confidence interval forpthat is0.03). How many voters do they need to survey?

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