Question: The article Nine Out of Ten Drivers Admit in Survey

The article “Nine Out of Ten Drivers Admit in Survey to Having Done Something Dangerous” (Knight Ridder Newspapers, July 8, 2005) reported the results of a survey of 1100 drivers. Of those surveyed, 990 admitted to careless or aggressive driving during the previous 6 months. Assuming that it is reasonable to regard this sample of 1100 as representative of the population of drivers, use this information to construct a 99% confidence interval to estimate p, the proportion of all drivers who have engaged in careless or aggressive driving in the previous 6 months.

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