Question 5 (1 point) The performance measure Pn for waiting lines systems means the probability of n customers in the line. Question 5 options: True False Question 6 (1 point) For the EPQ inventory model, the maximal on-hand inventory level is the production quantity in each production cycle. Question 6 options: True False Question 7 (1 point) Project scheduling is to determine the timing of activities of the project. Question 7 options: True False Question 8 (1 point) For a given project, we have a precedence network for all activities of the project. All activities not on the shortest path are called critical activities. Question 8 options: True False.