(6.1) A random sample of 20 hotels and motels on a given Sunday in Monterey found the mean to be $220 with population st
Posted: Mon Jul 11, 2022 11:17 am
(6.1) A random sample of 20 hotels and motels on a given Sunday in Monterey found the mean to be $220 with population standard deviation $30. Find a 90% confidence interval for the true mean.