A bolt manufacturer is using a hypothesis test with α = 0.01 to see if the diameter of
their 0.75 cm diameter bolts are being manufactured properly. The goal is to have the
average bolt diameter be 0.75 ± 0.0075 cms.
their 0.75 cm diameter bolts are being manufactured properly. The goal is to have the
average bolt diameter be 0.75 ± 0.0075 cms.