The diagram below represents the events in a MIMH queue during a period of time. The numbers on the horizontal axis represent time in seconds. Based on the information in this diagram, provide an estimate of the following parameters and write in the table below: N umber in system 8 17 31 34 45 67 84 92 Time (sec) Enter your answer here (number only, 2 decimal places): Average arrival rate Average departure rate _ Average inter-arrival time