A sample of size n 56 has meani 25 2 and standard deviation

Last updated: 1/11/2023

A sample of size n 56 has meani 25 2 and standard deviation 17 1 i Construct a 95 confidence interval for u i Estimate the sample size needed so that a 95 confidence interval for u will have a margin of error equal to 3 6 OL 20 6 29 8 89 OL 20 6 29 8 i 87 OL 20 9 29 5 IL 87 10 0 0 5