A random sample of 600 voters in Centreville indicated that 90 of them believed their congressional representative was honest and trustworthy. A- Identify the population and sample in the study, B-...

A random sample of 600 voters in Centreville indicated that 90 of them believed their congressional representative was honest and trustworthy. A- Identify the population and sample in the study, B- find the sample proportion of those who believed their congressional representative was honest and trustworthy, C- find the margin of error, D- find a 95% confidence interval for those who think their congressional representative was honest and trustworthy.