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Confidence interval for the proportion of all adult american

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Reference no: EM132581494

In January 2010, the National Retail Federation conducted a survey of 200 consumers in a representative sample of adult Americans. Thirty five people in the sample said they will purchase a Valentine's Day gift for their pet.

a. Construct a 90% confidence interval for the proportion of all adult Americans who plan to purchase a Valentine's Day gift for their pet. Interpret your results.

Reference no: EM132581494

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