# Insurance companies are interested in knowing the population percent

6) Insurance companies are interested in knowing the population percent of drivers who always buckle up before riding in a car. They randomly surveyed 400 drivers and found that 280 claimed they always buckle up. We are interested in the population proportion of drivers who claim they always buckle up.a. Calculate p’ p’= ________________b. Calculate the error bound (EBP) for a 95% confidence level: EBP = _________________c. State the 95% confidence interval for the true population proportion of drivers who claim they always buckle up: CI = ______________________________d. (Multiple Choice) What is the minimum number of survey participants needed to state the true population proportion of drivers who claim they always buckle up with a 98% confidence level and a 3.0% margin of error?Assume . i. 400 C. 752 ii. 1508 D. 1067

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