Can you help me answer this 2 questions and why?

133 Exercise 3: Neshey's Smoothes 133-1 You are the plant manager of a Nesheys chocolate factory, The shop was flooded during the recent storms. The machine that wraps Neshey's popular chocolate confection, Smooches, still works, but you are afraid it may not be working at its former capacity. 133-2 If the machine isn't working at top capacity, you will need to have it replaced. 133-3 First Which type of hypothesis test is most appropriate for this problem? Question A. One-sided test b. Two-sided test 133-4 The hourly output of the machine is normally distributed. Before the flood, the machine wrapped an average of 340 Smooches per hour. Over the first week after the flood, you counted wrapped Smooches during 32 randomly selected one-hour periods. The machine averaged 318 Smooches per hour, with a standard deviation of 44. Null Hypothesis Mean 340 Null Hypothesis U 2 340 Alternative Hypothesis H