A survey is conducted to determine the percentage of students at state universities who change their major at least once. The 95% confidence interval for the percentage of students who change their major is (0.699, 0.861). Answer parts a and b a. Interpret the meaning of this confidence interval using a complete sentence b. What would be the sample size required to estimate the percentage of students who change major at least once: assume no prior studies were made and we need to be within an error of 2%? BIUST E E X , X? Insert Formula Time Remaining: 00:40:32 Next