Given the information in Exercise 10.29, construct a 99% confidence interval for the population mean, then reach a conclusion regarding whether μ could actually be equal to the value that has been hypothesized. How does this conclusion compare to that reached in Exercise 10.29? Why?
In exercise
A quality-assurance inspector periodically examines the output of a machine to determine whether it is properly adjusted. When set properly, the machine produces nails having a mean length of 2.000 inches, with a standard deviation of 0.070 inches. For a sample of 35 nails, the mean length is 2.025 inches.