15. Consider the following set of processes and the length of the CPU-burst time given in milliseconds. The processes areassumed to have arrived in the order P1, P2, P3, P4, all at time 0. What is the average waiting time of these processesusing Non-Preemptive Shortest Job First (SJF) scheduling?5ee5948ebcca3.jpg
(A) 4
(B) 7
(C) 5
(D) 6
(E) 2



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