A survey of 33 college freshmen found that they average 7 37

Last updated: 7/10/2023

A survey of 33 college freshmen found that they average 7 37 hours of sleep each night A 99 confidence interval had a margin of error of 0 519 a What are the lower and upper limits of the confidence interval b What was the standard deviation assuming that the population standard deviation is known a The lower limit of the confidence interval is and the upper limit of the confidence interval is Round to three decimal places as needed