Figure 6.

An equipment repair station functions as an M/D/1 queuing system, with operating characteristics shown in the table below.

Refer to Figure 6. What is the average amount of time from when a piece of equipment enters the queue at the repair station until it is repaired and leaves the station?

Group of answer choices

0.11 hours

0.33 hours

0.67 hours

1.33 units

1.99 units

None of the above

Arrivals: A = 6 per hour Service: u = 9 per hour Average server utilization (p): Average units in line (La): Average units in system (L): Average time in line (Wa): Average time in system (W): Prob. of zero units in system (Po): 66.7% 0.67 1.33 0.11 0.22 33.3% units units hours hours Arrivals: A = 6 per hour Service: u = 9 per hour Average server utilization (p): Average units in line (La): Average units in system (L): Average time in line (Wa): Average time in system (W): Prob. of zero units in system (Po): 66.7% 0.67 1.33 0.11 0.22 33.3% units units hours hours