Areporter for a student newspaper is writing an article on the cost of off-campus housing. a sample was selected of 10 one-bedroom units within a half-mile of campus and the rents paid. the sample mean is $550 and the sample standard deviation is $60.05. provide a 95% confidence interval estimate of the mean rent per month for the population of one-bedroom units within a half-mile of campus. assume this population is normally distributed. group of answer choices