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1. Problem-solving questions: Queuing systems Suppose customers arrive one at a time, completely at random, at an ATM at the rate of 5 per hour. Customers take an average of 8 minutes to complete their transactions. That is, the service rate is 7.5 per hour. Historical data have shown that both the inter-arrival and service times closely follow some exponential distribution. Customers queue up on a first-come, first-served basis. Assume that there is only one ATM. (a) What is the average waiting time in this M/M/1 queue? Please provide the formula, at least one step of calculation, and the correct answer for full credit. (b) What is the average queue length? Please provide the formula, at least one step of calculation, and the correct answer for full credit. (c) Based on the average waiting time and the average queue length, is it necessary for the bank to add another ATM machine? Why? 2. Problem solving question: Productivities A company makes 1,000 tires per day with the following resources: Labor: 400 hours per day @ $12.50 per hour Raw Materials: 20,000 pounds per day @ $1 per pound Energy: $5,000 per day (a) What is the labor productivity at the company? You can use either labor hours or labor cost to calculate the productivity. Please provide at least one step of calculation and the correct answer for full credit. (b) What is the multifactor productivity at the company when we take all the resources into account? Please provide at least one step of calculation and the correct answer for full credit. 3. What is bullwhip effect? Why is it important to identify and reduce bullwhip effect in a Supply Chain? Please have a discussion with no less than 100 words.
Search the union role in teleworking in the US and Europe
The correction of a material error discovered in a year subsequent to the year the error was made is considered a prior period adjustment. Briefly describe the accounting treatment for prior period adjustments.
what are the contribution of gilbreth and its comparison with henri fayol3939s 14 principle
2 page executive summary for the attached case, answering the questions listed below.Spoke to Mark, and understand that it's $20 per page making this assignment $40 so please do not ask for some ridiculous price.
What definition of branding makes most sense to you?
1-Identify and discuss the various exit strategies that investors may use and the implications for commercialization
Select a big or the biggest project you have been associated with in your life. It could be a professional or a personal project
What are advantages and disadvantages of using digital circuits in lieu of analog circuits to measure different parameters in mechanical systems (i.e., temperature, pressure, flow, etc.).
assess importance of leadership in bringing about the necessary changes at porsche. describe answer with
1.What kinds of things would you expect to find in a trash can in a classroom?College library?Dorm?How would this information be useful to marketers?Are there ethical issues in sifting through people's trash?
ia strategy for conducting market researchno seasoned hiker would embark on a lengthy journey through a desolate wooded
What are the highligs of their commitment to thhte environment??
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