You are wondering what is the optimal number of servers to have to minimize the cost? Assume that the arrival rate is 12 perhour and the service rate is 10 per hour for each server. Your analysis has determined that servers are $30 per hour and thecost of customers waiting is $40 per hour.What is the server cost, wait cost and total cost per hour for 2 servers?What is the server cost, wait cost and total cost per hour for 3 servers?

Answered: hour and the service rate is 10 per…

Practical Management Science

6th Edition

ISBN:9781337406659

Author:WINSTON, Wayne L.

Publisher:WINSTON, Wayne L.

Chapter2: Introduction To Spreadsheet Modeling

Section: Chapter Questions

Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...

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In an M/M/1 queueing system, the arrival rate is 5 customers per hour and the service rate is 7 customers per hour. If the service process is automated (resulting in no variation in service times but the same service rate), what will be the resulting performance measurements? (Round all answers to three decimals.) What is the utilization? What is the expected number of customers in the system (L)? What is the expected waiting time (in hours) for the system (W)? What is the expected number of customers in the queue (Lq)? What is the expected waiting time (in hours) in the queue (Wq)?
Fantastic styling salon is run by three stylists, each capable of serving five customers per hour, on average. If all customers wait in a common line for the next available stylist, how long would a customer wait in line, on average before being served
The time from when a patient is discharged from North Shore Hospital to the time the discharged patient’s bed is ready to be assigned to a new patient is referred to as the bed assignment turnaround time. If the bed turnaround time is excessive, it can cause problems with patient flow and delay medical procedures throughout the hospital. This can cause long waiting times for physicians and patients thus creating customer dissatisfaction. The admissions RN has assigned a patient care associate to measure the bed turnaround time for a randomly selected bed each morning., afternoon, and evening for 30 days. Following are the bed turnaround time sample observations: Day Day Bed Turnaround Times (min) 1 1 127 135 167 144 151 2 2 140 155 122 135 119 3 3 112 128 97 118 131 4 4 223 135 154 187 150 5 5 181 155 160 172 166 6 6 103 158 145 124 149 7 7 146 135 167 150 178 8 8 104 122 115 137 129 9 9 136 158 137 148 156 10 10 145 163 106 139 170 11 11 84 146 125 98…
What is the answer in this number 3?
Please do not give solution in image formate thanku.
Refer back to chapter 13 for this assignment. Describe the four basic waiting line strategies discussed in the book and give an example of each one based off of your own experience. The examples should include where you were when you saw that type of waiting line strategy and how it worked for you or customers around you in that situation. Could each have been designed better? Why?
Operations management What are the most often used performance metrics in queuing analysis?
Explain what is a waiting line problem ?
How has technology had an impact on analyzing waiting line systems? How has technologyimproved waiting line performance?
How does an event improve the smooth queue management?
Tech support center. Customer calls follow Poisson probability distribution. Arrival rate = 7 calls per hour. 8.5 minutes to answer customer's questions. With 2 consultants, what is the percentage of customers who have to wait and what is the average waiting time? K=2, lambda= 7, mu= (60/8.5) is that correct?

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