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Type: B the Underwater Treasure Discovery Company in Miami, FL, is assigned to m

ID: 374569 • Letter: T

Question

Type: B the Underwater Treasure Discovery Company in Miami, FL, is assigned to make a deep- does a very brief assessment of how urgent each diver appears and need to determine the best seq save all five scuba divers. All the information he knows are dive-in time, remaining processing time t complete the assigned job, and dive time remaining scuba oxygen tank. Do your best to save all divers with BEST OPTIMAL SEQUNECE using your knowledge current time is 11:00 AM and the time to rescue divers will no robot called t manager of water robots to save five scuba divers needing urgent rescue out of danger under the deep sea. He five scuba of scheduling rules! (Assume that the t be considered for scheduling since a rescue Diving Bell" can rescue a diver immediately regardless of location.) Under Water Diver: C Dive-in Time:10 45 AM Remaining Processing Time: 9 min Dive Time Remaining on Scuba Oxvgen Current Time: 11:00 AM Diver: D Dive-in Time: 10:15 AM Remaining Processing Time: 2 min Dive Time Remaining on Scuba Oxygen Tank: 11:06AM (in 6 min) Tank 11 28 AM (in 28 min Diver: Dive-in Time: 10 :00 AM Remaining Processinc Time: & min Dive Time Remaining on Scuba Onvgen Tank: 11:08 AM (in & min) Diver: A Dive-in Time: 10:35 AM Remaining Processing Time: 3 min Dive Time Remaining on Scuba Oxygen Tank: 11:13 AM (in 13 min) Divert Dive-In Time: 10 25 AN Remaining Processing Time: s min Dive Time Remaining on Scuba Oxygen Tank: 11.20 AM (in 20 min) Y'ou may use the following template in the last page for your summary and calculation Seq. Diver Dive-In Remaining Seq. Diver Time gDue Start End Time Dive-In Processing Time Time(Flow Time) | Lateness 0fnecessary) CR Time Total

Explanation / Answer

A.

EDD, as the avg tardiness is 0.

B.

C.

D.

P D Job Processing time Due Current time A 3 13 B 6 8 C 9 28 D 2 6 E 8 20 Seq Diver Driver in time Processing time Due Flow in Flow out Tardiness Lateness FCFS 1 A 3 13 0 3 0 -10 2 B 6 8 3 9 1 1 3 C 9 28 9 18 0 -10 Avg flow time 15.20 4 D 2 6 18 20 14 14 WIP 2.71 5 E 8 20 18 26 6 6 Avg job tardiness 4.20 Makespan 28 Completion 76 4.2 0.2 Mean lateness 0.2 Avg Tardiness Avg lateness Utilization 0.368421053 Seq Diver Driver in time Processing time Due Flow in Flow out Tardiness Lateness SPT 1 D 2 6 0 2 0 -4 2 A 3 13 2 5 0 -8 3 B 6 8 5 11 3 3 Avg flow time 11.40 4 E 8 20 11 19 0 -1 WIP 2.04 5 C 9 28 11 20 0 -8 Avg job tardiness 0.60 Makespan 28 Completion 57 0.6 -3.6 Mean lateness -3.6 Avg Tardiness Avg lateness Utilization 0.49122807 Seq Diver Driver in time Processing time Due Flow in Flow out Tardiness Lateness EDD 1 D 2 6 0 2 0 -4 2 B 6 8 2 8 0 0 3 A 3 13 8 11 0 -2 Avg flow time 12.00 4 E 8 20 11 19 0 -1 WIP 2.14 5 C 9 28 11 20 0 -8 Avg job tardiness 0.00 Makespan 28 Completion 60 0 -3 Mean lateness -3 Avg Tardiness Avg lateness Utilization 0.466666667 Current day 0 Seq Diver Date Order Received Processing Days Needed Date Order Due, End of Day __ Days left Critical ratio Priority Flow in Flow Out Tardiness Lateness 1 B 6 8 8 1.333333333 5 0 6 0 -2 2 E 8 20 20 2.5 1 6 14 0 -6 Avg flow time 19.4 3 D 2 6 6 3 4 26 28 22 22 WIP 3.464285714 4 C 9 28 28 3.111111111 3 14 23 0 -5 Avg job lateness 7.00 5 A 3 13 13 4.333333333 2 23 26 13 13 Utilization 0.288659794 Makespan 28 Completion 35 Completion 97 7.00 4.4 Avg Tardiness Avg lateness