To reduce waiting time by actively managing system constraints, managers could consider: 1. Using a reservation system for customer arrivals II. Shifting demand from high-demand periods to low-demand periods. III. Offering more standardized services IV. Improving the efficiency of bottlenecks o I and 11 o I and III O II and III @ I, II and IV O II, III and IV Which of the following regarding the line pooling effect is CORRECT? Line pooling reduces the average waiting time by improving the average service rate. Line pooling is more beneficial when the number of servers is larger. Line pooling should be adopted when customers can be categorized into different groups with significantly different service requests None of the above. Two couples are waiting for service in a restaurant. Couple A waits by the door, while Couple B waits in the lobby, observing a fish tank. Both couples are seated around the same time. Couple A felt that the wait was very long, while Couple B felt that the wait was shorter. Which psychological factor is likely to have influenced the couples' perception of time? Solo waiting feels longer than waiting in a group Anxiety makes waits seem longer Unoccupied time feels longer than occupied time Unfair waits are longer than equitable waits