The following four graphs (Figure 16.15A, B, C, and D) display the number of customers in a queuing system (y-axis) over a long period of time (x-axis). Which of the following is most likely a stable system? 

a. A 

b. B 

c. C 

d. D 

Transcribed Image Text:

A B 100 T 100 90 90 + 80 + 80 70+ 70+ 60 60 50 + 50 40 + 40 + 30 30 + 20 20 10 10 5000 10.000 15,000 20.000 25.000 30,000 5000 10,000 15,000 20,000 25,000 30,000 Time (seconds) Time (seconds) 100 100 90 90 80+ 80+ 70 + 70 + 60 + 60 + 50+ 50+ 40 + 40 + 30+ 30+ 20 + 20 + 10 10 5000 10,000 15,000 20,000 25,000 30,000 5000 10,000 15,000 20,000 25,000 30,000 Time (seconds) Time (seconds) Total number of customers in the system Total number customers in the system Total number of customers in the system Totel number of customers in the system