Assume simple random sampling. Calculate the? 95% confidence interval estimate for the population mean for each of the following.
N =1600?; n=70?; s =10; x =145
N =1825?; n=80?; s2 = 81?; x =232.4
N=6200?; n=150?; s2 =130?; x =57.1
What decimal is < μ < what decimal