You expect to see on the average at the coffee urn

Assignment Help Operation Management

Reference no: EM132236228

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 4.0 per minute. In serving themselves, customers take about 11 seconds, exponentially distributed.

a. How many customers would you expect to see on the average at the coffee urn? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

b. How long would you expect it to take to get a cup of coffee? (Round your answer to 2 decimal places.)

c. What percentage of time is the urn being used? (Do not round intermediate calculations. Round your answer to 1 decimal place.)

d. What is the probability that three or more people are in the cafeteria? (Round your intermediate calculations to 3 decimal places and final answer to 1 decimal place.)

e. If the cafeteria installs an automatic vendor that dispenses a cup of coffee at a constant time of 11 seconds, how many customers would you expect to see at the coffee urn (waiting and/or pouring coffee)? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

f. If the cafeteria installs an automatic vendor that dispenses a cup of coffee at a constant time of 11 seconds, how long would you expect it to take (in minutes) to get a cup of coffee, including waiting time? (Do not round intermediate calculations. Round your answer to 2 decimal places.)

Reference no: EM132236228

Questions Cloud

Bob king discussion that you find intriguing or interesting : Comment on some aspects of the settlement or Bob King's discussion that you find intriguing or interesting.

Assist four design engineers working on project : An engineering firm retains a technical specialist to assist four design engineers working on a project.

New product development stage gate process : Project management of a new Bicycle introduction using New Product Development Stage Gate Process.

Identify the reasons favoring having multiple suppliers : What are the primary goals/roles and objectives of purchasing? Identify the reasons favoring having multiple suppliers.

You expect to see on the average at the coffee urn : How many customers would you expect to see on the average at the coffee urn?

What is the average number of units still in operation : What is the average number of units still in operation? What is the average number of units being serviced?

Setting up potential clash with newspaper parent company : Newsroom employees at The Los Angeles Times are trying to form a union, setting up a potential clash with the newspaper’s parent company, Tronc.

Aimed at promoting high quality standards in business : Identify any national awards in your country that are aimed at promoting high quality standards in business (manufacturing or service).

Proliferation of technology encourages more ethical behavior : Does the class think that the proliferation of technology encourages more ethical behavior or does it have the opposite effect?

User Account

All Pages