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1. The following table shows a sample process workload: Process Burst Time Priority Arrival Time P1 50 ms 0 ms P2 20 ms 1 20

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1. The following table shows a sample process workload: Process Burst Time Priority Arrival Time P1 50 ms 0 ms P2 20 ms 1 20 ms 100 ms L P3 40 ms P4 40 ms 2 60 ms The following is an example time line using the FCFS scheduling algorithm for the sample process workload shown above (1 unit 10 ms): P1 IPI P1 PI P1 P2 P2 P3 P3 P3 P3 P3 P3 P3 P3 P3 LP3I P4 P4 P4 P4 0 123 5 6 8 9 10 11 12 13 14 15 16 17 18 19 20 Answer the following questions: a. What is the average waiting time for FCFS based on the time line shown above

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