1. A study is conducted to determine if a new manufacturing method reduces costs. The current production method operates with a mean cost of $200 per hour. The study willestimate thecostsofthenewmethodoverasampleproductionperiod.
   1. Specify the appropriate null and alternativehypotheses:

H_o: H_a:

1. What is the conclusion of the test when null is not rejected?
2. Whatistheconclusionofthetestwhenthenullisrejected?