Confidence interval for the population proportion of

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Confidence interval for the population proportion of adults.

A Reader's Digest/Gallup Survey on the drinking habits of Americans estimated the percentage of adults across the country that drink beer, wine, or hard liquor, at least occasionally. Of the 1516 adults interviewed, 985 said they drank. Determine the 95% confidence interval for the population proportion p of all Americans who drink beer, wine, or hard liquor, at least occasionally and interpret your result.

a)     (.626, .674)

b)    (.65, .69)

c)     (.618, .682)

Reference no: EM13355763

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