Waiting Line Case: Polonius National Bank

The Case. The goal of this case study was to gain a come along understanding and application skills of delay line summary. This case fail the existing staffing policies for Polonius National Bank (PNB). The goal of the abbreviation was to chance the optimal chassis of cashiers that the bank should staff using a waiting line model. Once this optimal way out of cashiers was refractory upon, it was necessary to determine for what range of goodwill costs the number of cashiers would remain the same. Data. The data was gathered at a special(a) proposition judgment of conviction when the reach rates and kayo up age patterns were evaluate to be consistent on a twenty-four hour period to day basis. It was located that this time was from 9:00 A.M. to 11:30 A.M. A showtime employee recorded the number of stretchs during randomly chosen transactions on several different days, during the selected time window. remit 1.1 in the supplement shows the data recorded. A lso recorded by the employee was the service time each customer required to complete their transaction. The time did non include the amount of time the customers spent waiting in line. This data can be found in Table 1.2 in the appendix. Distribution Computations. With all the appropriate data acquired, an analysis was conducted. The first step in the analysis was to determine the remain arrival rate (?).

This was determined by first finish the thoroughgoing number of time segments observed, found to be 1273. The probability of arrivals per minute was determined by dividing the number of occurrences for eac h arrival rate per minute, ranging from 0 cu! stomers per minute to 18 customers per minute, by the come number of observed minutes. The product of the arrivals per minute and the probability was cypher for each number of arrivals. This was then summed to determine... If you want to get a full essay, order it on our website: OrderCustomPaper.com

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