The manager of a large company is interested in the commute…
The manager of a large company is interested in the commute times of her employees. She randomly selects 40 employees and finds an average commute time of 27 minutes, with a standard deviation of 4 minutes. (When needed, round to 3 decimals.) a. What is the point estimate of the population mean commute time? b. Construct a 95% confidence interval for the population mean commute time for this company’s employees (input your interval as “(a, b)”, where a is the lower limit and b is the upper limit of the interval) c. Interpret the interval from part a (write out a sentence and be specific): We are 95% confident that