How many students must be randomly selected to estimate the

Last updated: 5/12/2023

How many students must be randomly selected to estimate the mean weekly eamings of students at one college We want 95 confidence that the sample mean is within 4 of the population mean and the population standard deviation is known to be 90 OA 1 945 B 1 370 C 1 714 D 2 748 um sample size required to estimate an unknown population mea HARI www