Management

The probability of selecting any random number in a two digit table is 1/100. (True or false?)

The probability of selecting any random number in a two digit table is 1/100. (True or false?)

The probability of selecting any random number in a two digit table is 1/100.

True or False?

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assignment009

Simulation models are limited to using standard probability distributions such as Poisson, ...

Simulation models are limited to using standard probability distributions such as Poisson, ...

Simulation models are limited to using standard probability distributions such as Poisson, exponential, normal, etc.

True or False?

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assignment009

Simulation models may contain both deterministic and probabilistic variables (True or false?)

Simulation models may contain both deterministic and probabilistic variables (True or false?)

Simulation models may contain both deterministic and probabilistic variables.

True or False?

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assignment009

Simulation can use any probability distribution that the user defines; it does not require standard ...

Simulation can use any probability distribution that the user defines; it does not require standard ...

Simulation can use any probability distribution that the user defines; it does not require standard distributions.

True or False?

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assignment009

With regard to queuing theory, define what is meant by balking.

With regard to queuing theory, define what is meant by balking.

With regard to queuing theory, define what is meant by balking.

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assignment009

Customers arrive at a bank at a rate of 50 per hour. The bank has 3 tellers and on average, it takes ...

Customers arrive at a bank at a rate of 50 per hour. The bank has 3 tellers and on average, it takes ...

Customers arrive at a bank at a rate of 50 per hour. The bank has 3 tellers and on average, it takes 2 minutes to service a customer.
(a) What proportion of time are the tellers busy?
(b) What is the average number of customers in the bank

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assignment009

There is a tutoring lab at a university that holds 20 students. Due to the popularity of the 3 ...

There is a tutoring lab at a university that holds 20 students. Due to the popularity of the 3 ...

There is a tutoring lab at a university that holds 20 students. Due to the popularity of the 3 tutors, the lab is always at capacity. Each student approaches a tutor an average of 2 times per hour, and a tutor spends on average 5 minutes per question

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assignment009

At the start of football season, the ticket office gets busy the day before the first game. ...

At the start of football season, the ticket office gets busy the day before the first game. ...

At the start of football season, the ticket office gets busy the day before the first game. Customers arrive at the rate of four every ten minutes. A ticket seller can service a customer in four minutes. Traditionally, there are two ticket sellers wo

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assignment009

Sam the Vet is running a rabies vaccination clinic for dogs at the local grade school. Sam can ...

Sam the Vet is running a rabies vaccination clinic for dogs at the local grade school. Sam can ...

Sam the Vet is running a rabies vaccination clinic for dogs at the local grade school. Sam can vaccinate a dog every 3 minutes. It is estimated that the dogs will arrive independently and randomly throughout the day at a rate of 1 dog every 6 minutes

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assignment009

According to the information provided in Table 12-4, which presents a queuing problem solution for a ...

According to the information provided in Table 12-4, which presents a queuing problem solution for a ...

According to the information provided in Table 12-4, which presents a queuing problem solution for a queuing problem with a constant service rate, on average, how many customers arrive per time period?
A) 3
B) 4
C) 1.875
D) 1.125

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assignment009

According to the information provided in Table 12-4, which presents a queuing problem solution for a ...

According to the information provided in Table 12-4, which presents a queuing problem solution for a ...

According to the information provided in Table 12-4, which presents a queuing problem solution for a queuing problem with a constant service rate, on average, how much time is spent waiting in line?
A) 1.875 minutes
B) 1.125 minutes
C)

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assignment009

According to the information provided in Table 12-2, which presents a queuing problem solution, on ...

According to the information provided in Table 12-2, which presents a queuing problem solution, on ...

According to the information provided in Table 12-2, which presents a queuing problem solution, on average, how many units are in the line?
A) 5.455
B) 3.788
C) 1.091
D) 0.758
E) 0.833

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assignment009

A post office has a single line for customers waiting for the next available postal clerk. There are ...

A post office has a single line for customers waiting for the next available postal clerk. There are ...

A post office has a single line for customers waiting for the next available postal clerk. There are two postal clerks who work at the same rate. The arrival rate of customers follows a Poisson distribution, while the service time follows an exponent

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assignment009

Most systems use a queue discipline known as

Most systems use a queue discipline known as

Most systems use a queue discipline known as
A) shortest processing time.
B) longest processing time.
C) FIFO.
D) earliest due date.
E) critical ratio.

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assignment009

Customers enter the waiting line to pay for food as they leave a cafeteria on a first-come, ...

Customers enter the waiting line to pay for food as they leave a cafeteria on a first-come, ...

Customers enter the waiting line to pay for food as they leave a cafeteria on a first-come, first-served basis. The arrival rate follows a Poisson distribution, while service times follow an exponential distribution. If the average number of arrivals

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assignment009

Customers enter the waiting line at a cafeteria on a first-come, first-served basis. The arrival ...

Customers enter the waiting line at a cafeteria on a first-come, first-served basis. The arrival ...

Customers enter the waiting line at a cafeteria on a first-come, first-served basis. The arrival rate follows a Poisson distribution, while service times follow an exponential distribution. If the average number of arrivals is four per minute and the

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assignment009

Which of the following is not an assumption in common queuing mathematical models?

Which of the following is not an assumption in common queuing mathematical models?

Which of the following is not an assumption in common queuing mathematical models?
A) Arrivals come from an infinite, or very large, population.
B) Arrivals are Poisson distributed.
C) Arrivals are treated on a first-in, first-out basi

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assignment009

A single automatic car wash with one bay and a cycle time of 2.5 minutes is what type of model?

A single automatic car wash with one bay and a cycle time of 2.5 minutes is what type of model?

A single automatic car wash with one bay and a cycle time of 2.5 minutes is what type of model?
A) M/M/1
B) M/M/2
C) M/D/2
D) M/D/1
E) M/G/1

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assignment009

Lines at banks where customers wait for a teller window are usually representative of a

Lines at banks where customers wait for a teller window are usually representative of a

Lines at banks where customers wait for a teller window are usually representative of a
A) single-channel, multiphase system.
B) single-channel, single-phase system.
C) multichannel, multiphase system.
D) multichannel, single-phas

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assignment009

The customer who arrives at a bank, enters a line, and decides to leave is

The customer who arrives at a bank, enters a line, and decides to leave is

The customer who arrives at a bank, enters a line, and decides to leave is
A) balking.
B) cropping.
C) reneging.
D) blithering.
E) None of the above

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assignment009

Balking customers are those who enter the queue but then become impatient and leave without ...

Balking customers are those who enter the queue but then become impatient and leave without ...

Balking customers are those who enter the queue but then become impatient and leave without completing the transaction.

True or False?

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assignment009

An (M/D/1) queuing model is classified as probabilistic (True or false?)

An (M/D/1) queuing model is classified as probabilistic (True or false?)

An (M/D/1) queuing model is classified as probabilistic.

True or False?

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assignment009

The study of waiting lines is called queuing theory (True or false?)

The study of waiting lines is called queuing theory (True or false?)

The study of waiting lines is called queuing theory.

True or False?

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assignment009

In a single-channel, single-phase system, reducing the service time only reduces the total amount of ...

In a single-channel, single-phase system, reducing the service time only reduces the total amount of ...

In a single-channel, single-phase system, reducing the service time only reduces the total amount of time spent in the system, not the time spent in the queue.

True or False?

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assignment009

On a practical note–if we are using waiting line analysis to study customers calling a telephone ...

On a practical note–if we are using waiting line analysis to study customers calling a telephone ...

On a practical note–if we are using waiting line analysis to study customers calling a telephone number for service, balking is probably not an issue.

True or False?

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assignment009

On a practical note–if we were to study the waiting lines in a hair salon that had only five ...

On a practical note–if we were to study the waiting lines in a hair salon that had only five ...

On a practical note–if we were to study the waiting lines in a hair salon that had only five chairs for patrons waiting, we should use an infinite queue waiting line model.

True or False?

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assignment009

A goal of many waiting line problems is to help a firm find the ideal level of services that ...

A goal of many waiting line problems is to help a firm find the ideal level of services that ...

A goal of many waiting line problems is to help a firm find the ideal level of services that minimize the cost of waiting and the cost of providing the service.

True or False?

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assignment009

Development of a new deluxe version of a particular software product is being considered. The ...

Development of a new deluxe version of a particular software product is being considered. The ...

Development of a new deluxe version of a particular software product is being considered. The activities necessary for the completion of this are listed in the table below (Time in weeks).

Activity   Immediate
Predecessor   a   m   b
A   -

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assignment009

A small software development project has four major activities. The times are estimated and provided ...

A small software development project has four major activities. The times are estimated and provided ...

A small software development project has four major activities. The times are estimated and provided in the table below.

Activity   Immediate
Predecessor   a   m   b
A   --   2   5   8
B   A   3   6   9
C   A   4   7   10
D   B   2   5   14
E   D   3   3

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assignment009

Consider the following project ...

Consider the following project ...

Consider the following project schedule:

Activity   Immediate
Predecessor   Time   ES   EF   LS   LF
A   --   4   0   4   6   10
B   --   5   0   5   0   5
C   A   3   4   7   10   13
D   B   8   5   13   5   13
E   B   2   5   7   16   18
F   C, D   3   13   16   15   18
G   C, D   7   1

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assignment009

The value of work completed for an activity is determined by which of the following?

The value of work completed for an activity is determined by which of the following?

The value of work completed for an activity is determined by which of the following?
A) budgeted cost - actual cost
B) actual cost divided by budgeted cost
C) percentage of work completed multiplied by actual activity cost
D) perc

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assignment009

PERT assumes that the total completion time of a project follows which of the following probability ...

PERT assumes that the total completion time of a project follows which of the following probability ...

PERT assumes that the total completion time of a project follows which of the following probability distributions?
A) normal
B) exponential
C) binomial
D) Poisson
E) None of the above

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assignment009

Given the network shown in Figure 11-1 and the following information, what is the variance of the ...

Given the network shown in Figure 11-1 and the following information, what is the variance of the ...

Given the network shown in Figure 11-1 and the following information, what is the variance of the critical path?

 Activity   Expected time   Variance
A   3   2
B   5   3
C   6   3
D   4   1
E   5   1
F   4   2
G   6   2
H   7   2

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assignment009

Given the network shown in Figure 11-1, assume that completion of B is delayed by two days. What ...

Given the network shown in Figure 11-1, assume that completion of B is delayed by two days. What ...

Given the network shown in Figure 11-1, assume that completion of B is delayed by two days. What happens to the project?
A) The critical path is extended by two days.
B) The start of activity F is delayed by two days.
C) The start of a

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assignment009

Given the network in Figure 11-1, the time to complete those activities on the critical path is ...

Given the network in Figure 11-1, the time to complete those activities on the critical path is ...

Given the network in Figure 11-1, the time to complete those activities on the critical path is expected to be
A) 20.
B) 22.
C) 25.
D) 26.
E) None of the above

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assignment009

Using the data in Table 11-4, what is the minimum possible time required for completing the ...

Using the data in Table 11-4, what is the minimum possible time required for completing the ...

Using the data in Table 11-4, what is the minimum possible time required for completing the project?
A) 8
B) 12
C) 18
D) 10
E) None of the above

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assignment009

Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 6, and 9 days ...

Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 6, and 9 days ...

Given an activity's optimistic, most likely, and pessimistic time estimates of 3, 6, and 9 days respectively, compute the PERT variance for this activity.
A) 3
B) 1
C) 9
D) 6
E) None of the above

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assignment009

The two common techniques for drawing PERT networks are:

The two common techniques for drawing PERT networks are:

The two common techniques for drawing PERT networks are
A) NOA and NRA.
B) AON and AOA.
C) GANTT and NOA.
D) ONA and OAO.
E) CAN and CAA.

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assignment009

PERT stands for: (Multiple Choice)

PERT stands for: (Multiple Choice)

PERT stands for
A) probabilistic evaluation and review technique.
B) program evaluation and review technique.
C) probability of expected run times.
D) program of expected run times.
E) project evaluation and review technique

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assignment009

In a PERT network, the latest (activity) start time is theA) earliest time that an activity can be ...

In a PERT network, the latest (activity) start time is theA) earliest time that an activity can be ...

In a PERT network, the latest (activity) start time is the
A) earliest time that an activity can be finished without delaying the entire project.
B) latest time that an activity can be started without delaying the entire project.
C) ea

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assignment009