Questions from General Operations Management

Q: Altug’s Coffee Shop decides to install an automatic coffee vending machine outside

Altug’s Coffee Shop decides to install an automatic coffee vending machine outside one of its stores to reduce the number of people standing in line inside. Mehmet Altug charges $3.50 per cup. However...

Q: Renuka Jain’s Car Wash takes a constant time of 4.5

Renuka Jain’s Car Wash takes a constant time of 4.5 minutes in its automated car wash cycle. Autos arrive following a Poisson distribution at the rate of 10 per hour. Renuka wants to know: a) The aver...

Q: Debra Bishop’s cabinet-making shop, in Des Moines, has

Debra Bishop’s cabinet-making shop, in Des Moines, has five tools that automate the drilling of holes for the installation of hinges. Each machine needs an average of 3 “resettings” every 8-hour day,...

Q: A technician monitors a group of 5 computers that run an automated

A technician monitors a group of 5 computers that run an automated manufacturing facility. It takes an average of 15 minutes (negative exponentially distributed) to adjust a computer that develops a p...

Q: One mechanic services 5 drilling machines for a steel plate manufacturer.

One mechanic services 5 drilling machines for a steel plate manufacturer. Machines break down on an average of once every 6 working days, and breakdowns tend to follow a Poisson distribution. The mech...

Q: There is only one copying machine in the student lounge of the

There is only one copying machine in the student lounge of the business school. Students arrive at the rate of l 5 40 per hour (according to a Poisson distribution). Copying takes an average of (=40 s...

Q: Ted Glickman, the administrator at D.C. General Hospital

Ted Glickman, the administrator at D.C. General Hospital emergency room, faces the problem of providing treatment for patients who arrive at different rates during the day. There are four doctors avai...

Q: The Pontchartrain Bridge is a 16-mile toll bridge that crosses

The Pontchartrain Bridge is a 16-mile toll bridge that crosses Lake Pontchartrain in New Orleans. Currently, there are 7 toll booths, each staffed by an employee. Since Hurricane Katrina, the Port Aut...

Q: Using the house of quality sequence, as described in Figure 5

Using the house of quality sequence, as described in Figure 5.4 on page 201, determine how you might deploy resources to achieve the desired quality for a product or service whose production process y...

Q: The registration area has just opened at a large convention of dentists

The registration area has just opened at a large convention of dentists in Tallahassee, Florida. There are 200 people arriving per hour (Poisson distributed), and the cost of their waiting time in the...