The production line that packages boxes of raisins at a snack food manufacturer will be considered operating properly if the average weight of the boxes of raisins is 1.5 ounces with a standard deviation of 0.1 ounces. A random sample of 16 boxes showed an average weight of 1.45 ounces.
State the value of the correct rejection region for α = 0.05
State the correct rejection region for α = 0.01
What should be the correct decision and conclusion when testing to determine if the production line is operating properly by allowing a 10% probability of committing a Type 1 error?