Construct a 95 confidence intervall for the popallation mean

Last updated: 4/29/2023

Construct a 95 confidence intervall for the popallation mean Assume the population has a normal distribution A sample of 20 part time workers had mean annual earnings of 3120 with a standard deviation of 677 Round to the neare 2803 3437 2135 2567 2657 2891 1324 1567