supplement B
Which of the following elements are NOT common to waiting-line problems?
A random-number generator
A _______ customer is one who enters the system and remains there until being served.
patient
What is the objective that managers are trying to attain when they decide to allow customer preemption?
reduce the waiting times of select customers
All of the following are reasons why waiting lines develop EXCEPT
the manager has not used a preemptive discipline.
Which of the following situations requires the use of simulation as a key assumption of the single-server model is violated?
the mean arrival rate exceeds the mean service rate
Which of the following is an assumption of the single-server model?
the mean service rate exceeds the mean arrival rate
If customer arrivals are generated according to a Poisson distribution,
then the interarrival times of the customers are exponentially distributed.
When is the customer population of a waiting line problem said to be infinite?
when the number of customers in the system does not affect the rate at which the population generates new customers
A single-server service facility had the capacity to serve 38 customers per hour on average. The average customer demand was 31 customers per hour. Determine the average waiting time in the line in minutes.
6.99
A customer service agent in a local bank has a track record of completing service every 8 minutes on average, according to an exponential distribution. Customers arrive seeking service at the rate of six per hour, according to a Poisson distribution. What percentage of time is the customer service representative busy serving customers?
80%
A single-server service facility had the capacity to serve 38 customers per hour on average. The average customer demand was 31 customers per hour. Determine the average number of customers in the system.
4.43
_________ is a rule that allows a customer of higher priority to interrupt the service of another customer.
A preemptive discipline
Which of the following is a way that managers may attempt to affect the rate of customer arrivals?
A. advertising B. differential pricing C. special promotions D. All of the above.<--
Which of the following ways represents how management can improve a service system?
A. affect the rate of customer arrivals B. assign more than one person to a service facility C. allocate service tasks to sequential phases D. All of the above.<--
_________ is an easy-to-use computer package that is simply a spreadsheet with some macros with which simple waiting line processes may be simulated.
SimQuick
By devising improved work methods, management is attempting to
increase the efficiency of servers.
Which of the following situations requires the use of simulation as a key assumption of the multiple-server model is violated?
customers are served based on a priority discipline
A good example of a single-channel, single-phase system would be
drive through car wash