Question 1

One reason for using simulation rather than an analytical model in an inventory problem is that the simulation is able to handle probabilistic demand and lead times.

Accepted Answer

A) True 
 B)False

Question 2

Simulation is usually capable of producing a more appropriate answer to a complex problem than can be obtained from a mathematical model.

Accepted Answer

A) True 
 B)False

Question 3

One effective use of simulation is to study problems for which the mathematical models of operations management are not realistic enough.

Accepted Answer

A) True 
 B)False

Question 4

A distribution of service times at a waiting line indicates that service takes 12 minutes 30% of the time and 14 minutes 70% of the time.In preparing this distribution for Monte Carlo analysis,the service time 13 minutes would be represented by the random number range

Accepted Answer

A) 00 through 29. 
B) 01 through 30. 
C) 30 through 99. 
D) 31 through 00. 
E) None of these;13 minutes is not a possible outcome. 
A) 00 through 29. 
B) 01 through 30. 
C) 30 through 99. 
D) 31 through 00. 
E) None of these;13 minutes is not a possible outcome.

Question 5

Simulation is the attempt to duplicate the features,appearance,and characteristics of a real system,usually by means of a computerized model.

Accepted Answer

A) True 
 B)False

Question 6

Complete the following table in preparation for a Monte Carlo simulation.

Accepted Answer

The answer of Complete the following table in preparation for...

Question 7

By starting random number intervals at 01,not 00,the top of each range is the cumulative probability.

Accepted Answer

A) True 
 B)False

Question 8

The effects of OM policies over many months or years can be obtained by computer simulation in a short time.This phenomenon is referred to as

Accepted Answer

A) time suppression. 
B) time suspension. 
C) time compression. 
D) time inversion. 
E) time conversion. 
A) time suppression. 
B) time suspension. 
C) time compression. 
D) time inversion. 
E) time conversion.

Question 9

Historical records on a certain product indicate the following behavior for demand.The data represent the 288 days that the business was open during 2000.Convert these data into random number intervals.

Accepted Answer

The answer of Historical records on a certain product indicate...

Question 10

A small store is trying to determine if its current checkout system is adequate.Currently,there is only one cashier,so it is a single-channel,single-phase system.The store has collected information on the interarrival time,and service time distributions.They are represented in the tables below.Use the following two-digit random numbers given below to simulate 10 customers through the checkout system.What is the average time in line,and average time in system? (Set first arrival time to the interarrival time generated by first random number.
   Random numbers for interarrival times: 07,60,77,49,76,95,51,16,14,85
Random numbers of service times: 57,17,36,72,85,31,44,30,26,09

Accepted Answer

@#IMG-DLM& @#IMG-DLM& Average time in li

Question 11

Which of the following is not a step in running a Monte Carlo simulation?

Accepted Answer

A) setting up a probability distribution for important variables 
B) building a cumulative probability distribution for each variable 
C) establishing an interval of random numbers for each variable 
D) generating random numbers 
E) All of the above are steps in running a Monte Carlo simulation. 
A) setting up a probability distribution for important variables 
B) building a cumulative probability distribution for each variable 
C) establishing an interval of random numbers for each variable 
D) generating random numbers 
E) All of the above are steps in running a Monte Carlo simulation.

Question 12

Explain the difference between random numbers and random number intervals.

Accepted Answer

Random numbers are a series of digits th

Question 13

A warehouse manager needs to simulate the demand placed on a product that does not fit standard models.The concept being measured is "demand during lead time," where both lead time and daily demand are variable.The historical record for this product suggests the following probability distribution.Convert this distribution into random number intervals.

Accepted Answer

The answer of A warehouse manager needs to simulate the...

Question 14

What are the advantages and disadvantages of simulation models?

Accepted Answer

Advantages:
• Simulation is relatively s

Question 15

The numbers used to represent each possible value or outcome in a computer simulation are referred to as ________.

Accepted Answer

random-num

Question 16

Simulation allows managers to test the effects of major policy decisions on real-life systems without disturbing the real system.

Accepted Answer

A) True 
 B)False

Question 17

A(n)________ is a series of digits that have been selected by a totally random process.

Accepted Answer

The answer of A(n)________ is a series of digits that...

Question 18

All forms of simulation are based on probability or chance.

Accepted Answer

A) True 
 B)False

Question 19

Results of simulation experiments with large numbers of trials or long experimental runs will generally be better than those with fewer trials or shorter experimental runs.

Accepted Answer

A) True 
 B)False

Question 20

One of the advantages of simulation is that

Accepted Answer

A) it is much less expensive than a mathematical solution. 
B) it always generates a more accurate solution than a mathematical solution. 
C) it can study the interactive effects of individual components or variables. 
D) model development is less time consuming than for mathematical models. 
E) model solutions are transferable to a wide variety of problems. 
A) it is much less expensive than a mathematical solution. 
B) it always generates a more accurate solution than a mathematical solution. 
C) it can study the interactive effects of individual components or variables. 
D) model development is less time consuming than for mathematical models. 
E) model solutions are transferable to a wide variety of problems.

Exam 26: Simulation

One reason for using simulation rather than an analytical model in an inventory problem is that the simulation is able to handle probabilistic demand and lead times.

Simulation is usually capable of producing a more appropriate answer to a complex problem than can be obtained from a mathematical model.

One effective use of simulation is to study problems for which the mathematical models of operations management are not realistic enough.

A distribution of service times at a waiting line indicates that service takes 12 minutes 30% of the time and 14 minutes 70% of the time.In preparing this distribution for Monte Carlo analysis,the service time 13 minutes would be represented by the random number range

Simulation is the attempt to duplicate the features,appearance,and characteristics of a real system,usually by means of a computerized model.

Complete the following table in preparation for a Monte Carlo simulation.

By starting random number intervals at 01,not 00,the top of each range is the cumulative probability.

The effects of OM policies over many months or years can be obtained by computer simulation in a short time.This phenomenon is referred to as

Historical records on a certain product indicate the following behavior for demand.The data represent the 288 days that the business was open during 2000.Convert these data into random number intervals.

Which of the following is not a step in running a Monte Carlo simulation?

Explain the difference between random numbers and random number intervals.

What are the advantages and disadvantages of simulation models?

The numbers used to represent each possible value or outcome in a computer simulation are referred to as ________.

Simulation allows managers to test the effects of major policy decisions on real-life systems without disturbing the real system.

A(n)________ is a series of digits that have been selected by a totally random process.

All forms of simulation are based on probability or chance.

Results of simulation experiments with large numbers of trials or long experimental runs will generally be better than those with fewer trials or shorter experimental runs.

One of the advantages of simulation is that

Operations and Productivity

Operations Strategy in a Global Environment

Project Management

Forecasting

Design of Goods and Services

Managing Quality

Statistical Process Control

Process Strategy and Sustainability

Capacity and Constraint Management

Location Strategies

Layout Strategies

Human Resources,job Design,and Work Measurement

Supply-Chain Management

Outsourcing As a Supply-Chain Strategy

Inventory Management

Aggregate Planning

Material Requirements Planning Mrpand Erp

Short-Term Scheduling

Jit and Lean Operations

Maintenance and Reliability

Decision-Making Tools

Linear Programming

Transportation Models

Waiting-Line Models

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