The Chattanooga Furniture store gets an average of 50 customers per shift. Marilyn Helms, the manager, wants to calculate whether she should hire 1, 2, 3, or 4 salespeople. She has determined that average waiting times will be 7 minutes withone salesperson, 4 minutes with two salespeople, 3 minutes with three salespeople, and 2 minutes with four salespeople. She has estimated the cost per minute that customers wait at $1. The cost per salesperson per shift (including fringebenefits) is $70.One Server:Total costpershiftdollars.%3D

Given data:Arrival rate = 50 customer/ shift Cost of waiting = $1 minute/customer Cost of sales…

Answered: The Chattanooga Furniture store gets an…

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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A fast-food restaurant offers a variety of products: from pre-made packaged sandwiches to milkshakes with different flavors. Many customers order one item time, other customers order multiple items. Sometimes customers buy the pre- made items, and some customers actually ask the restaurant to cook their food while they wait. The restaurant manager has kept careful records of some queuing statistics over several weeks. According to this data, the staff needs 4 minutes on average to serve a random customer. On average, the restaurant served 120 customers on a given day. This restaurant is open from 9 AM to 9 PM every day, and has a single service counter. If you want to help the manager measure this restaurant's waiting line performance, which of the following should you use? Exponential Service Rate Model The Finite Source Model Constant Service Rate Model O The multi phase single channel model
A Northwest Airlines ticket counter forecasts that 30 people per hour will need to check in. It takes an average of 1.5 minutes to service a customer. Assume that interarrival times and service times are exponential and that all customers wait in a single line for the first avaliable agent.If we want the average time a customer spends in line and in service to be 3 minutes or less, how many ticket agents should be on duty?
At a book store, one customer arrives every 4 minutes. The bookstore has one cashier, and it takes 3 minutes to serve one customer with a standard deviation of 4.9. The arrival process has a standard deviation of 7. What is the average number of customers in the queue
The bank manager is concerned with its waiting line system in his bank. Currently bank uses a single-server, single-line, single-phase system. Based on historical evidence, the average number of customers arriving per hour is C1 and is described by a Poisson distribution. The service rate is <=15 >11 customers per hour with the service times following an exponential distribution. The customers are come from an infinite population. The manager of the bank would like calculate the operational characteristics of the waiting line system that:(a) What is the average system utilization?(b) What is the average number of customers in the system? (c) What is the average number of customers waiting in line?(d) What is the average time a customer spends in the system?(e) What is the average time a customer spends waiting in line?
The organization strictly ensures that all employees are equal when it comes to promotion or giving any rewards. The employees are given a work environment where they can decide and work on their own for achieving objectives. The organization provides the necessary resources and quality in the work and that makes the employee satisfied and contented in the job. Which value system is followed by the organization? O a. Terminal values O b. Human nature values O c. All the options O d. Instrumental values
Describe two examples of unethical behavior related to waiting line management, and state whichethical principles they violate.
The Y-ME central railroad station has 5 screening stations. At peak times, 175 customers arrive per hour. The average time to screen a passenger is 1.6 minutes. a. What is the rate per hour at which customers are screened? b. What is the average waiting time until beginning screening? They are concerned about the area where people line up and wait to begin screening. c. What is the average number of passengers waiting to begin screening? They want to reduce the average number of passengers in queue to fewer than 5. d. If they were able to reduce service time to 1.5 minutes, could they achieve the goal of fewer than 5 passengers waiting? Carry out to the necessary calculations to answer this question.
What is the answer in this number 2?
At a book store, one customer arrives every 6 minutes. The book store has one cashier, and it takes 4 minutes to serve one customer with a standard deviation of 5.9. The arrival process has a standard deviation of 8. (Do not round intermediate calculations. Round your answer to three decimal places.) What is the average number of customers in the queue? customers
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)?
A call centre operates with two customer service representatives. Customers call the centre according to a Poisson process with an average rate of 10 calls per hour. The service times follow an exponential distribution with a mean service rate of 6 calls per hour per representative. The goal is to analyse the performance of this queuing system and determine key metrics.
You are wondering what is the optimal number of servers to have to minimize the cost? Assume that the arrival rate is 12 per hour and the service rate is 10 per hour for each server. Your analysis has determined that servers are $30 per hour and the cost 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?

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