NCEA Level 3 Statistics Practice Questions - NCEA Level 3 Statistics (National Certificate Of Educational Achievement) Exam

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A political poll reports that 48% of voters support Party A, with a margin of error of 3.2%. What is the 95% confidence interval for the true population proportion supporting Party A?

(44.8%, 51.2%) (46.4%, 49.6%) (41.6%, 54.4%) (48.0%, 51.2%)

Correct Answer:

(44.8%, 51.2%)

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