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Exam 7: Service Design

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Question 31

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A service counter employs two servers.On average,a server requires 8 minutes to process a customer and service times follow an exponential distribution.Customers arrive at the counter at the rate of 12 per hour according to a Poisson distribution.The average number of customers waiting to be served would be

A) 4.444
B) 2.844
C) 1.600
D) 0.893

E) B) and C)
F) All of the above

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Question 32

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What are the basic elements of a waiting line? Define each.

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The basic elements of a waitin...

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Question 33

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An airline is an example of a

Queue discipline specifies the order in which waiting customers are served.

Consider an espresso stand with a single barista.Customers arrive at the stand at the rate of 28 per hour according to a Poisson distribution.Service times are exponentially distributed with a service rate of 35 customers per hour.The probability that there are exactly 3 customers in the system is

If the average time to serve a customer is 3 minutes,then the service rate,µ,is

The tradeoff between the cost of improved service and the cost of making customers wait provides the basis of waiting line analysis.

In general,as the level of service improves,the cost of service increases.

How can psychology be used to improve waiting lines? Provide an example.

Service processes can be classified by the degree of labor intensity and customization.

The number of parallel servers in waiting line analysis is referred to as the number of phases.

It is widely accepted that the effective design and the efficient operation of services are critical to the health of the U.S.economy.

The number of channels in a queuing process

In general,services are acts,deeds,or performances that provide a customer time,place,form,or psychological utility.

Consider an espresso stand with a single barista.Customers arrive at the stand at the rate of 28 per hour according to a Poisson distribution.Service times are exponentially distributed with a service rate of 35 customers per hour.The average number of customers waiting in line for service is

A grocery store is an example of a

A service counter employs two servers.On average,a server requires 8 minutes to process a customer and service times follow an exponential distribution.Customers arrive at the counter at the rate of 12 per hour according to a Poisson distribution.The probability that an arriving customer must wait for service is

Consider an espresso stand with a single barista.Customers arrive at the stand at the rate of 28 per hour according to a Poisson distribution.Service times are exponentially distributed with a service rate of 35 customers per hour.The average number of customers in the system (i.e. ,waiting and being served) is

The service-process matrix is based on two characteristics: labor intensity and volume.

A teacher is an example of a