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.

  • CreatedSeptember 19, 2015
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