What percentage of the time is the urn being used

Assignment Help Operation Management

Reference no: EM13843310

A cafeteria serving line has a coffee urn from which customers serve themselves. Arrivals at the urn follow a Poisson distribution at the rate of three per minute. In serving themselves, customers take about 15 seconds, exponentially distributed.

How many customers would you expect to see on the average waiting and at the coffee urn?

How long would you expect it to take to get a cup of coffee?

What percentage of the time is the urn being used?

What is the probability that that three or more people are in the cafeteria getting coffee?

If the cafeteria installs an automatic vendor that dispenses a cup of coffee at a constant time of 15 seconds, how does this change you answers to (a) and (b)?

Reference no: EM13843310

Questions Cloud

Identify the most serious bottleneck : Given the definitions of throughput, inventory, operating expense and bottleneck as discussed in The Goal, define throughput, inventory, and operating expense in the context of an organization (work, social, or religious) of which you are a member. I..

Did the entrepreneur write a business plan? : Did the entrepreneur write a business plan?

What challenges the researchers are attempting to address : What is the background of the research, and problem the thesis is addressing - Explain the pipeline (the stepwise processes involved with the problem the researchers are trying to solve) of the technique in question?

Contrast the quality management approaches : Compare and contrast the Quality management approaches of Juran, Phillip Crosby and W. Edward Deming. Rather than just copy and paste a definition - discuss how they defined, approached and how they measured Quality.

What percentage of the time is the urn being used : A cafeteria serving line has a coffee urn from which customers serve themselves. Arrivals at the urn follow a Poisson distribution at the rate of three per minute. In serving themselves, customers take about 15 seconds, exponentially distributed. Wha..

Discuss the constitutional amendments : Discuss the constitutional amendments: 4th, 5th, 6th, 8th, and 14th. Are they soley for the protection of the accused or are they supposed to protect all citizens? How

Supply-chain management : How can supply-chain management (SCM) help a company establish a competitive advantage? What are ways that companies can improve their supply chains?

Conflicts between belief systems and knowledge sets : What potential perception issues or conflicts between belief systems and knowledge sets might arise? Consider any other questions that came up for you over the course of this week's assignments.

Concept of cost benefit during the performing stage : How do managers use the concept of cost benefit during the performing stage of the management process? How do managers use the concept of cost benefit during the planning phase of the management process?

User Account

All Pages