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Assume a drive-up teller window at a bank. Customers arrive at the rate of 25 per hour. The teller can serve one customer every two minutes. Assume exponential inter-arrival and exponential service rates. Determine: A) Fill in the table. Arrival Rate (Lambda) Average interarrival time Service Rate (Mu) Average service time Utilization S Ca, Cs
B) What is the average utilization of the employee?
C) What is the average number of customers in line?
D) What is the average number of customers in the system?
E) What is the average waiting time in line?
F) What is the average waiting time in the system?
A bank manager wants to determine the percent of time that tellers are working and idle. She decides to use work sampling, and her initial estimate is that the tellers are idle 30
Quesrion: Oceania Hospitals has recorded demand for heart transplant surgery over the past few years. The data is given in the following table: a) You have been hired
Consider a layout decision which has been made in your own organisation. How was the layout devised? What were the key issues?
The National Labour Relations Act has been criticized as an outdated piece of legislation that is hindering, rather than helping, American cope with the realities of the new global
When quality discounts are introduced, will optimum order quantity be made smaller, unchanged, or larger? Illustrate by using a numerical example.
Garden Variety Flower Shop uses 760 clay pots a month. The pots are purchased at $2 each. Annual carrying costs per pot are estimated to be 30 percent of cost, and ordering costs a
Recall the case in which an employee claimed harassment by her supervisor in which he altered her work hours with the knowledge that doing so would adversely affect her hypoglycaem
Compare and contrast Lincoln Electric and Southwest Airlines with regard to the following • Views of management regarding union representatives of their workers. •
Fitzgerald Model - Performance Measures The Fitzgerald model is a performance measurement system specifically for service industry. Fitzgerald (1991) describes a feedback/feed
Why is it necessary for an organization to appraise performance formally? Describe some situations in which an organization would be wise if it did not appraise performance formall
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