Question: A sample of 250 workers aged 16 and older produced an average length of time with the current employer ("job tenure") of 4.4 years with standard deviation 3.8 years. Construct a 99.9% confidence interval for the mean job tenure of all workers aged 16 or older. The response must be typed, single spaced, must be in times new roman font (size 12) and must follow the APA format.