Speedy Lube has only one bay in which to change oil. The estimated arrival rate is 3 customers perhour. The time required for an oil change is 12.5 minutes; but the times do vary.Based on this data, what will be average number of customers waiting for an oil change?Please round your answer to two decimal places.

Service rate is the rate at which the customers are being served by the workers in an organisation.

Answered: Speedy Lube has only one bay in which…

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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During the recent pandemic, the seaport in Savannah Georgia, the third busiest in the United States, averaged loading or unloading 6.7 cargo ships per week. The average time to unload a ship is 1.90 days. Multiple cranes to load and unload the ship operate five days a week. Do not round intermediate calculations. How many ships are waiting to be unloaded on average using Little's Law? Round your answer up to the nearest whole number. ___ ship(s) During the pandemic, at times, demand doubled, how many ships are waiting to be unloaded on average using Little's Law? Round your answer up to the nearest whole number. ___ ship(s) If demand remains at 6.7 cargo ships per week and through better scheduling, training, and crane operations, the average time to unload a ship lowers to 1.10 days, how many ships are waiting? Round your answer up to the nearest whole number. ___ ship(s)
Provide examples of when a single-line, single-server,single-phase waiting line system is appropriate.
d. What is the expected number of customers in the queue (Lg)? Number of customers(queue) e. What is the expected waiting time (in hours) in the queue (Wg)? Waiting time(queue)
What is the answer in this number 3?
4.) The DMV Licensing office has a single line for customers waiting for the next available clerk. There are two clerks who work at the same rate. On average customers arrive every 8 minutes and the average service rate is 5 per hour for each of the two clerks. The arrival rate of customers follows a Poisson distribution, while the service time follows an exponential distribution. a.) What percentage of the total available service time is being used? b.) Due to Covid restrictions, only two customers are allowed in the office at the same time. What percent of the time will there be customers waiting outside?
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?
Explain what is a waiting line problem ?

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