A study done by researchers at a university concluded that 90% of all student athletes in a country have been subjected to some form of hazing. The study is based on responses from 1700 athletes. What is the margin of error and the 95% confidence interval for the study? The margin of error is (Round to four decimal places as needed.)

A newspaper article stated that the US Supreme Court received 812 letters from around the country on the subject of whether to ban cameras from the courtroom. Of these 812 letters, 800 expressed the opinion that cameras should be banned. A statistics student was going to use this sample information to estimate a 95% confidence interval for the true proportion of all American adults feel that cameras should be banned from the courtroom. what is the 95% confidence interval?

A college administrator is interested in determining the proportion of students who receive some sort of financial aid. Instead of examining the records for all students, the administrator randomly draws 120 students and finds that 48 of them are receiving financial aid. Use a 90% confidence interval to estimate the true proportion of students who receive financial aid.

Construct a 96% confidence interval if x=75 and n=200. Round your answers to 3 decimal places.