# Take Test: Midterm (MLO 4.1, 4.2, 4.3, 4.4, 4.5, 4.6)

### Test Information

Description

The Midterm includes terminology and information presented in the first weeks of the course.

You may use your notes and book but not a partner or any other resources. Be sure to adhere to University’s Academic Integrity Policy. There is no time limit, but once you begin, you are forced to complete the test.

Midterm Overview:

This exam contains 50 Multiple Choice questions worth 2 points each.

Students’ have two attempts and the best score will be kept. Time is unlimited.

Please do not press, ‘submit’ button unless you finish.

Instructions

Multiple Attempts

This test allows 2 attempts. This is attempt number 1.

Force Completion

This test can be saved and resumed later.

Your answers are saved automatically.

### QUESTION 1

Which of the following special cases does not require reformulation of the problem in order to obtain a solution?

a.

b.

c.

d.

2 points

### QUESTION 2

The trend pattern is easy to identify by using

a.

b.

c.

d.

2 points

### QUESTION 3

Whenever a categorical variable such as season has k levels, the number of dummy variables required

a.

b.

c.

d.

2 points

### QUESTION 4

A posterior probability associated with sample information is of the form

a.

b.

c.

d.

2 points

### QUESTION 5

If P(A|B) = .4, then

a.

b.

c.

d.

2 points

### QUESTION 6

A(n) __________ is a graphical representation in which the sample space is represented by a rectangle and events are represented as circles.

a.

b.

c.

d.

2 points

### QUESTION 7

A model that uses a system of symbols to represent a problem is called

a.

b.

c.

d.

2 points

### QUESTION 8

States of nature

a.

b.

c.

d.

2 points

### QUESTION 9

A variable added to the left-hand side of a less-than-or-equal-to constraint to convert the constraint into an equality is

a.

b.

c.

d.

2 points

### QUESTION 10

The amount by which an objective function coefficient can change before a different set of values for the decision variables becomes optimal is the

a.

b.

c.

d.

2 points

### QUESTION 11

Sensitivity analysis is often referred to as

a.

b.

c.

d.

2 points

### QUESTION 12

Decision variables

a.

b.

c.

d.

2 points

### QUESTION 13

The probability of an event

a.

b.

c.

d.

2 points

### QUESTION 14

For a maximization problem, the conservative approach is often referred to as the

a.

b.

c.

d.

2 points

### QUESTION 15

Which of the following is not one of the commonly used names for the body of knowledge involving quantitative approaches to decision-making?

a.

b.

c.

d.

2 points

### QUESTION 16

Which of the following is not a question answered by standard sensitivity analysis information?

a.

b.

c.

d.

2 points

### QUESTION 17

Infeasibility means that the number of solutions to the linear programming models that satisfies all constraints is

a.

b.

c.

d.

2 points

### QUESTION 18

To find the optimal solution to a linear programming problem using the graphical method

a.

b.

c.

d.

2 points

### QUESTION 19

If there is a maximum of 4,000 hours of labor available per month and 300 ping-pong balls (x1) or 125 wiffle balls (x2) can be produced per hour of labor, which of the following constraints reflects this situation?

a.

b.

c.

d.

2 points

### QUESTION 20

All of the following are true about a cyclical pattern except

a.

b.

c.

d.

2 points

### QUESTION 21

Inputs to a quantitative model

a.

b.

c.

d.

2 points

### QUESTION 22

Posterior probabilities are computed using

a.

b.

c.

d.

2 points

### QUESTION 23

In the set of all past due accounts, let the event A mean the account is between 31 and 60 days past due and the event B mean the account is that of a new customer. The complement of A is

a.

b.

c.

d.

2 points

### QUESTION 24

Sensitivity analysis is concerned with how certain changes affect

a.

b.

c.

d.

2 points

### QUESTION 25

All of the following are true about qualitative forecasting methods except

a.

b.

c.

d.

2 points

### QUESTION 26

Which of the following is not a valid representation of a probability?

a.

b.

c.

d.

2 points

### QUESTION 27

A solution that satisfies all the constraints of a linear programming problem except the nonnegativity constraints is called

a.

b.

c.

d.

2 points

### QUESTION 28

All linear programming problems have all of the following properties EXCEPT

a.

b.

c.

d.

2 points

### QUESTION 29

Which of the methods for decision making best protects the decision maker from undesirable results?

a.

b.

c.

d.

2 points

### QUESTION 30

A constraint with a positive slack value

a.

b.

c.

d.

2 points

### QUESTION 31

Which of the following approaches to decision making requires knowledge of the probabilities of the states of nature?

a.

b.

c.

d.

2 points

### QUESTION 32

All of the following are true about a stationary time series except

a.

b.

c.

d.

2 points

### QUESTION 33

Using exponential smoothing, the demand forecast for time period 10 equals the demand forecast for time period 9 plus

a.

b.

c.

d.

2 points

### QUESTION 34

If P(A) = 0.38, P(B) = 0.83, and P(A B) = 0.27; then P(A B) =

a.

b.

c.

d.

2 points

### QUESTION 35

A method of assigning probabilities that assumes the experimental outcomes are equally likely is referred to as the

a.

b.

c.

d.

2 points

### QUESTION 36

Problem definition

a.

b.

c.

d.

2 points

### QUESTION 37

The volume that results in total revenue being equal to total cost is the

a.

b.

c.

d.

2 points

### QUESTION 38

A constraint that does not affect the feasible region is a

a.

b.

c.

d.

2 points

### QUESTION 39

For a minimization problem, the conservative approach is often referred to as the

a.

b.

c.

d.

2 points

### QUESTION 40

Which of the following is not a proper sample space when all undergraduates at a university are considered?

a.

b.

c.

d.

2 points

### QUESTION 41

A list of all possible outcomes of an experiment is called

a.

b.

c.

d.

2 points

### QUESTION 42

An experiment consists of tossing 4 coins successively. The number of sample points in this experiment is

a.

b.

c.

d.

2 points

### QUESTION 43

If a decision variable is not positive in the optimal solution, its reduced cost is

a.

b.

c.

d.

2 points

### QUESTION 44

In what part(s) of a linear programming formulation would the decision variables be stated?

a.

b.

c.

d.

2 points

### QUESTION 45

To solve a linear programming problem with thousands of variables and constraints

a.

b.

c.

d.

2 points

### QUESTION 46

The complement of P(A | B) is

a.

b.

c.

d.

2 points

### QUESTION 47

In situations where you need to compare forecasting methods for different time periods, the most appropriate accuracy measure is

a.

b.

c.

d.

2 points

### QUESTION 48

Which of the following is not an advantage of using decision tree analysis?

a.

b.

c.

d.

2 points

### QUESTION 49

To select a value for α for exponential smoothing

a.

b.

c.

d.

2 points

### QUESTION 50

Management science and operations research both involve

a.

b.

c.

d.

2 points

Click Save and Submit to save and submit. Click Save All Answers to save all answers.