Computing the Expected Cost of an Appointment Schedule for Statistically Identical Customers with Probabilistic Service Times

Table 1

Effect of service time variability.

𝜉	𝑟	Optimal schedule	Total cost	Schedules evaluated	Execution time (sec)
0.125	64	(1,1,0,1,1,0,1,0,1,1,0,1,1,0,1,0)	1.4072	309	15
0.250	16	(1,1,0,1,1,0,1,1,0,1,0,1,1,0,1,0)	2.7861	304	2
0.500	4	(1,1,1,0,1,1,0,1,0,1,1,0,1,0,1,0)	6.7935	287	1
1.000	1	(2,0,1,1,0,1,1,0,1,0,1,1,0,1,0,0)	15.9581	253	1
1.500	9	(2,1,1,0,1,1,0,1,0,1,0,1,0,1,0,0)	25.2274	217	1
2.000	16	(2,1,1,1,1,0,1,0,1,0,1,0,0,1,0,0)	32.8035	189	2