Question 13

A marketing research consultant hired by Coca-Cola is interested in determining the proportion of customers who favor Coke over other soft drinks. A random sample of 400 consumers was selected from the market under investigation and showed that 53% favored Coca-Cola over other brands. Compute a 95% confidence interval for the true proportion of people who favor Coke. Place your LOWER limit, rounded to 3 decimal places, in the first blank___. For example, 0.345 would be a legitimate entry. Place your UPPER limit in the second blank___. For example, 0.456 would be a legitimate entry. Make sure you include the 0 before the decimal.

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