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 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. State the value of the correct rejection region for alpha = 0.05.
b. State the value of the correct rejection region for alpha = 0.01.
c. 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?© BrainMass Inc. brainmass.com March 4, 2021, 8:47 pm ad1c9bdddf
Neat, step-wise solution is provided with graph.