02. Suppose that process will run the amount of time listed. In answering the the following processes arrive for execution at the times indicated. Each questions, use non- chduling and base all the decisions on the information you have at the time the decision must Process P1 P2 P3 be made Arrival Time 0.0 0.4 Burst Time a. (20 points) What is the average waiting time for these processes with the FCFS b. (10 points) What is the average waiting time or these processes with the SJF scheduling scheduling algorithm? algorithm