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1. During the early morning hours, customers arrive at a branch post office at an average of 1.5 minutes per customer (Poisso

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Date Page 1.5 minutes 0 Arrival Time Arrival Rate = Arrival Time - Arrival Rate = 1.5 per minute = 60 per hour. 1.5 Arrival RDate Page Probability of finding Zero customexs in system (Po) > 5 / CNMM n! + Clus डा (1-2) -1 2 + 2 + 2 + (21² O! 2011 21 3Date Page Wq = 0.8889 bominutes Wq = 1.333 minutes (b) Number of servers C) = 4 Utilization (p) = 1 us 40 20x4 =0.5 ProbabiliDcte 2q = 0.1739 customers Average waiting in line, Wq time g Wq = 2q T Wq = 0.1739 hours 40 Wq = 0.1739 x 60 minutes 40 Wq-​​​​​​​

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