Discuss the below:
Q: The production line that packages boxes of raisins at a snack food manufacturer will be conisdered operating properly if the average weight of the boxes of raisin is 3.5 ounces with a standard deviation of 0.3 ounces. A random sample of 20 boxes showed an average weight of 3.30 ounces.
A. Provide the null and alternative hypothesis to determine if the production line is operating properly.
B. What additional assumption is needed before we can perform a test to determine whether the production line is operating properly?
C. State the value of the correct rejection region for alpha = 0.05.
D. State the value of the correct rejection region for alpha = 0.01.