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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 3 per minute. In serving themselves, customers take about 15 seconds, exponentially distributed. a) How many customers would you expect to see on the average at the coffee urn? b) How long would you expect it to take to get a cup of coffee? c) What is the probability that three or more people are in the cafeteria? d) If the cafeteria installs an automatic vendor that dispenses a cup of coffee at a constant time of 15 seconds, how does this change your answers to a and b?
Ten samples of a process measuring number of returns per 100 receipts were taken for a local retail store. Find out his standard deviation of sampling distribution.
The mathematical relationships that follow were formulated by an operations research analyst at the Smith-Lawton Chemical Company. Which ones are invalid for use in an LP problem and why?
the production facility operates strictly eight hours per day. Evaluate the change in productivity for Aztec using the new assembly process.
If the project is to be finished in 16 weeks, which activity or activities should be crashed to do this at the least additional cost? What is the total cost of this?
What are some managerial styles you would employ in managing an emloyee who is considered baby boomer.
Describe the steps you would take to assemble a project team. ow do you define risk management and project risk? What is the relationship between risk and opportunity?
You are the owner of a software technology firm located in Lafayette, LA. You have launched a new social media portal that will allow adopted individuals to trace their roots
Determine if and how these two trends have helped or hindered the growth of small business in the U.S.
Elucidate what are the conditions which would have to exist for driving a car which are analogous to the assumptions made when using exponential smoothing.
Bloom's Jeans is searching for new suppliers, and Debbie Bloom, the owner, has narrowed her choices to two sets. Debbie is very concerned about supply disruptions, so she has chosen to use three suppliers no matter what.
Shoney Video Concepts produces a line of video streaming servers that are linked to personal computers for storing movies. These devices have very fast access and large storage capacity.
Thirty-five samples of size 7 each were taken from a fertilizer bag filling machine. The results were: overall mean = 57.75 kg, average range = 1.78 kg. Use 3 decimal points.
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