A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 9% margin of error at a 99% confidence level, what size of sample is needed? Give your answer in whole people. 20 ng Chapter 7.1 Homework Score: 4/8 6/8 answered Question 5 Express the confidence interval (39.8%, 47.6%) in the form of p ME. % > % Chapter 7.1 Homework Score: 4/8 4/8 answered Question 3 If n = 560 and p (p-hat) = 0.6, construct a 90% confidence interval. Give your answers to three decimals