Submitted By TThorn

Words 1164

Pages 5

Words 1164

Pages 5

2 out of 2 points

Correct

If we are solving a 0-1 integer programming problem with three decision variables, the constraint x1 + x2 + x3 ≤ 3 is a mutually exclusive constraint. Answer

Selected Answer: False

Correct Answer: False

Question 2

2 out of 2 points

Correct

In a mixed integer model, some solution values for decision variables are integer and others are only 0 or 1. Answer

Selected Answer: False

Correct Answer: False

Question 3

2 out of 2 points

Correct

If exactly 3 projects are to be selected from a set of 5 projects, this would be written as 3 separate constraints in an integer program. Answer

Selected Answer: False

Correct Answer: False

Question 4

2 out of 2 points

Correct

The solution to the LP relaxation of a maximization integer linear program provides an upper bound for the value of the objective function. Answer

Selected Answer: True

Correct Answer: True

Question 5

0 out of 2 points

Incorrect

Rounding non-integer solution values up to the nearest integer value will result in an infeasible solution to an integer linear programming problem. Answer

Selected Answer: True

Correct Answer: False

Question 6

2 out of 2 points

Correct

In a 0-1 integer programming problem involving a capital budgeting application (where xj = 1, if project j is selected, xj = 0, otherwise) the constraint x1 - x2 ≤ 0 implies that if project 2 is selected, project 1 can not be selected. Answer

Selected Answer: False

Correct Answer: False

Question 7

0 out of 2 points

Incorrect

In a 0-1 integer programming model, if the constraint x1-x2 ≤ 0, it means when project 2 is selected, project 1 __________ be selected.

Answer

Selected Answer: can never

Correct Answer: can sometimes

Question 8

2 out of 2 points…...

...MAT 540 Quiz 3 1. If the objective function is parallel to a constraint, the constraint is infeasible. [pic]True [pic]False 2. In minimization LP problems the feasible region is always below the resource constraints. [pic]True [pic]False 3. Surplus variables are only associated with minimization problems. [pic]True [pic]False 4. A linear programming model consists of only decision variables and constraints. [pic]True [pic]False 5. In a linear programming problem, all model parameters are assumed to be known with certainty. [pic]True [pic]False 6. A linear programming problem may have more than one set of solutions. [pic]True [pic]False 7. The following inequality represents a resource constraint for a maximization problem: X + Y ≥ 20 [pic]True [pic]False 8. Cully furniture buys 2 products for resale: big shelves (B) and medium shelves (M). Each big shelf costs $500 and requires 100 cubic feet of storage space, and each medium shelf costs $300 and requires 90 cubic feet of storage space. The company has $75000 to invest in shelves this week, and the warehouse has 18000 cubic feet available for storage. Profit for each big shelf is $300 and for each medium shelf is $150. What is the objective function? |[pic]| |MAX Z = $300B + $100 M | |[pic]| |MAX Z = $300M +...

Words: 985 - Pages: 4

...MAT 540 Quiz Answers 1) Deterministic techniques assume that no uncertainty exists in model parameters. Answer: TRUE Diff: 1 Page Ref: 489 Main Heading: Types of Probability Key words: deterministic techniques 2) Probabilistic techniques assume that no uncertainty exists in model parameters. Answer: FALSE Diff: 1 Page Ref: 489 Main Heading: Types of Probability Key words: probabilistic techniques 3) Objective probabilities that can be stated prior to the occurrence of an event are classical or a priori. Answer: TRUE Diff: 2 Page Ref: 489 Main Heading: Types of Probability Key words: objective probabilities, classical probabilities 4) Objective probabilities that are stated after the outcomes of an event have been observed are relative frequencies. Answer: TRUE Diff: 2 Page Ref: 489 Main Heading: Types of Probability Key words: relative frequencies 5) Relative frequency is the more widely used definition of objective probability. Answer: TRUE Diff: 1 Page Ref: 490 Main Heading: Types of Probability Key words: relative frequencies 6) Subjective probability is an estimate based on personal belief, experience, or knowledge of a situation. Answer: TRUE Diff: 2 Page Ref: 490 Main Heading: Types of Probability Key words: subjective probability 7) An experiment is an activity that results in one of several possible outcomes. Answer: TRUE Diff: 1 Page Ref: 491 Main Heading: Fundamentals of Probability Key words: ......

Words: 6457 - Pages: 26

... False | Correct Answer: | False | | | | | Question 2 2 out of 2 points | | | Fixed cost is the difference between total cost and total variable cost. Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | Question 3 2 out of 2 points | | | In general, an increase in price increases the break even point if all costs are held constant. Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | Question 4 2 out of 2 points | | | Parameters are known, constant values that are usually coefficients of variables in equations.Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | Question 5 2 out of 2 points | | | P(A | B) is the probability of event A, if we already know that event B has occurred. Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | Question 6 2 out of 2 points | | | If events A and B are independent, then P(A|B) = P(B|A). Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | Question 7 2 out of 2 points | | | A binomial probability distribution indicates the probability of r successes in n trials. Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | Question 8 2 out of 2 points | | | The indicator that results in total revenues being......

Words: 1020 - Pages: 5

...Week 9 Quiz 5: 1. In a _______ integer model, some solution values for decision variables are integer and others can be non-integer. a. total b. 0 – 1 c. mixed d. all of the above 2. In a total integer model, some solution values for decision variables are integer and others can be non-integer. TRUE/FALSE 3. In a problem involving capital budgeting applications, the 0-1 variables designate the acceptance or rejection of the different projects. TRUE/FALSE 4. If a maximization linear programming problem consist of all less-than-or-equal-to constraints with all positive coefficients and the objective function consists of all positive objective function coefficients, then rounding down the linear programming optimal solution values of the decision variables will ______ result in a(n) _____ solution to the integer linear programming problem. A) always, optimal B) always, non-optimal C) never, non-optimal D) sometimes, optimal E) never, optimal 5. The branch and bound method of solving linear integer programming problems is an enumeration method. TRUE/FALSE 6. In a mixed integer model, all decision variables have integer solution values. TRUE/FALSE 7. For a maximization integer linear programming problem, feasible solution is ensured by rounding _______ non-integer solution values if all of the constraints are less-than -or equal- to type. A) up and down B) up C) down D) up or down 8. In a total integer model, all...

Words: 586 - Pages: 3

...= P(A) + P(B) Answer Selected Answer: False Correct Answer: False • Question 3 2 out of 2 points Probability trees are used only to compute conditional probabilities. Answer Selected Answer: False Correct Answer: False • Question 4 2 out of 2 points Both maximin and minimin criteria are optimistic. Answer Selected Answer: False Correct Answer: False • Question 5 0 out of 2 points The minimin criterion is optimistic. Answer Selected Answer: False Correct Answer: True • Question 6 2 out of 2 points The Hurwicz criterion is a compromise between the maximax and maximin criteria. Answer Selected Answer: True Correct Answer: True • Question 7 0 out of 2 points The maximin approach involves choosing the alternative with the highest or lowest payoff. Answer Selected Answer: True Correct Answer: False • Question 8 2 out of 2 points Assume that it takes a college student an average of 5 minutes to find a parking spot in the main parking lot. Assume also that this time is normally distributed with a standard deviation of 2 minutes. Find the probability that a randomly selected college student will take between 2 and 6 minutes to find a parking spot in the main parking lot. Answer Selected Answer: 0.6247 Correct Answer: 0.6247 • Question 9 0 out of 2 points The chi-square test is a......

Words: 1144 - Pages: 5

...the difference between total cost and total variable cost. Answer Selected Answer: True Correct Answer: True Question 2 2 out of 2 points Parameters are known, constant values that are usually coefficients of variables in equations. Answer Selected Answer: True Correct Answer: True Question 3 2 out of 2 points In general, an increase in price increases the break even point if all costs are held constant. Answer Selected Answer: False Correct Answer: False Question 4 2 out of 2 points Probabilistic techniques assume that no uncertainty exists in model parameters. Answer Selected Answer: False Correct Answer: False Question 5 0 out of 2 points If events A and B are independent, then P(A|B) = P(B|A). Answer Selected Answer: True Correct Answer: False Question 6 2 out of 2 points P(A | B) is the probability of event A, if we already know that event B has occurred. Answer Selected Answer: True Correct Answer: True Question 7 2 out of 2 points A binomial probability distribution indicates the probability of r successes in n trials. Answer Selected Answer: True Correct Answer: True Question 8 2 out of 2 points EKA manufacturing company produces Part # 2206 for the aerospace industry. Each unit of part # 2206 is sold for $15. The unit production cost of part #......

Words: 968 - Pages: 4

... X + Y ≥ 20 Answer Selected Answer: False Correct Answer: False . Question 2 .2 out of 2 points Correct Graphical solutions to linear programming problems have an infinite number of possible objective function lines. Answer Selected Answer: True Correct Answer: True . Question 3 .2 out of 2 points Correct Surplus variables are only associated with minimization problems. Answer Selected Answer: False Correct Answer: False . Question 4 .2 out of 2 points Correct In a linear programming problem, all model parameters are assumed to be known with certainty. Answer Selected Answer: True Correct Answer: True . Question 5 .2 out of 2 points Correct A linear programming problem may have more than one set of solutions. Answer Selected Answer: True Correct Answer: True . Question 6 .2 out of 2 points Correct A linear programming model consists of only decision variables and constraints. Answer Selected Answer: False Correct Answer: False . Question 7 .2 out of 2 points Correct In minimization LP problems the feasible region is always below the resource constraints. Answer Selected Answer: False Correct Answer: False . Question 8 .2 out of 2 points Correct Cully furniture buys 2 products for resale: big shelves (B) and medium shelves (M). Each big shelf costs $500 and requires 100 cubic......

Words: 1171 - Pages: 5

...Strayer MAT 540 Week 6, Quiz 4 Page 1 of 3 Final Exam Guide less stress, more success Home EXAM Sign In Register Contact Us Quick Search EXAMS >> MAT 540 Week 6, Quiz 4 MAT 540 Week 6, Quiz 4 GO! Related Items MAT 540 Week 1, Quiz 1 MAT 540 Week 3, Quiz 2 MAT 540 Week 5, Quiz 3 MAT 540 Week 9, Quiz 5 $15.00 Be the first to write a review Advanced Search SUBJECTS Qty* ACC BCOM BIS BUS ECO ETH 316 FIN HRM LAW LDR MAT MGT MKT OPS 571 QNT QRB 501 RES SCI STR 581 DeVry * Marked fields are required. $15.00 1 PURCHASE Price $15.00 $15.00 $15.00 SET 1 1. The standard form for the computer solution of a linear programming problem requires all variables to the right and all numerical values to the left of the inequality or equality sign 2. _________ is maximized in the objective function by subtracting cost from revenue. 3. A croissant shop produces 2 products: bear claws (B) and almond filled croissants (C). Each bear claw requires 6 ounces of flour, 1 ounce of yeast, and 2 TS of almond paste. An almond filled croissant requires 3 ounces of flour, 1 ounce of yeast, and 4 TS of almond paste. The company has 6600 ounces of flour, 1400 ounces of yeast, and 4800 TS of almond paste available for today's production run. Bear claw profits are 20 cents each, and almond filled croissant profits are 30 cents each. What is the optimal daily profit? 4. In an unbalanced transportation model, supply does not equal demand and supply...

Words: 1888 - Pages: 8

...Review Test Submission: Quiz 2 Review Test Submission: Quiz 2 User Course Test Started Submitted Status Quantitative Methods Quiz 2 Completed Attempt Score 30 out of 40 points Question 1 If two events are not mutually exclusive, then P(A or B) = P(A) + P(B) Selected Answer: Correct Answer: False False 2 out of 2 points Question 2 Probability trees are used only to compute conditional probabilities. Selected Answer: Correct Answer: False False 2 out of 2 points Question 3 2 out of 2 points Seventy two percent of all observations fall within 1 standard deviation of the mean if the data is normally distributed. Selected Answer: Correct Answer: False False Question 4 2 out of 2 points Using the minimax regret criterion, we first construct a table of regrets. Subsequently, for each possible decision, we look across the states of nature and make a note of the maximum regret possible for that decision. We then pick the decision with the largest maximum regret. Selected Answer: Correct Answer: False False Question 5 The Hurwicz criterion is a compromise between the maximax and maximin criteria. Selected Answer: Correct Answer: True True 2 out of 2 points Question 6 The maximin approach involves choosing the alternative with the highest or lowest payoff. Selected Answer: Correct Answer: False False 2 out of 2 points Question 7 The minimin criterion is optimistic. Selected Answer: Correct Answer: True True 2 out......

Words: 1073 - Pages: 5

...budgeting application (where xj = 1, if project j is selected, xj = 0, otherwise) the constraint x1 - x2 ≤ 0 implies that if project 2 is selected, project 1 can not be selected. Answer Selected Answer: False Correct Answer: False Question 2 2 out of 2 points If we are solving a 0-1 integer programming problem, the constraint x1 ≤ x2 is a conditional constraint. Answer Selected Answer: True Correct Answer: True Question 3 2 out of 2 points If exactly 3 projects are to be selected from a set of 5 projects, this would be written as 3 separate constraints in an integer program. Answer Selected Answer: False Correct Answer: False Question 4 2 out of 2 points A conditional constraint specifies the conditions under which variables are integers or real variables. Answer Selected Answer: False Correct Answer: False Question 5 2 out of 2 points If we are solving a 0-1 integer programming problem with three decision variables, the constraint x1 + x2 + x3 ≤ 3 is a mutually exclusive constraint. Answer Selected Answer: False Correct Answer: False Question 6 0 out of 2 points The solution to the LP relaxation of a maximization integer linear program provides an upper bound for the value of the objective function. Answer Selected Answer: False Correct Answer: True Question 7 2 out of 2 points If......

Words: 1077 - Pages: 5

...but price and fixed costs are held constant, the break even point will decrease. Answer Selected Answer: False Correct Answer: False • Question 2 2 out of 2 points Parameters are known, constant values that are usually coefficients of variables in equations. Answer Selected Answer: True Correct Answer: True • Question 3 0 out of 2 points Probabilistic techniques assume that no uncertainty exists in model parameters. Answer Selected Answer: True Correct Answer: False • Question 4 2 out of 2 points Fixed cost is the difference between total cost and total variable cost. Answer Selected Answer: True Correct Answer: True • Question 5 2 out of 2 points A continuous random variable may assume only integer values within a given interval. Answer Selected Answer: False Correct Answer: False • Question 6 2 out of 2 points The events in an experiment are mutually exclusive if only one can occur at a time. Answer Selected Answer: True Correct Answer: True • Question 7 2 out of 2 points If events A and B are independent, then P(A|B) = P(B|A). Answer Selected Answer: False Correct Answer: False • Question 8 2 out of 2 points EKA manufacturing company produces Part # 2206 for the aerospace industry. Each unit of part # 2206 is sold for $15. The unit production cost of part # 2206 is......

Words: 1025 - Pages: 5

...linear programming problems have an infinite number of possible objective function lines. Answer Selected Answer: True Correct Answer: True Question 5 2 out of 2 points Correct The following inequality represents a resource constraint for a maximization problem: X + Y ≥ 20 Answer Selected Answer: False Correct Answer: False Question 6 2 out of 2 points Correct If the objective function is parallel to a constraint, the constraint is infeasible. Answer Selected Answer: False Correct Answer: False Question 7 2 out of 2 points Correct A feasible solution violates at least one of the constraints. Answer Selected Answer: False Correct Answer: False Question 8 2 out of 2 points Correct The production manager for the Coory soft drink company is considering the production of 2 kinds of soft drinks: regular (R) and diet (D). Two of her limited resources are production time (8 hours = 480 minutes per day) and syrup (1 of her ingredients) limited to 675 gallons per day. To produce a regular case requires 2 minutes and 5 gallons of syrup, while a diet case needs 4 minutes and 3 gallons of syrup. Profits for regular soft drink are $3.00 per case and profits for diet soft drink are $2.00 per case.......

Words: 1091 - Pages: 5

...| | When using a linear programming model to solve the "diet" problem, the objective is generally to maximize profit. Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | Question 3 2 out of 2 points | | | A systematic approach to model formulation is to first construct the objective function before determining the decision variables. Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | Question 4 2 out of 2 points | | | In a balanced transportation model, supply equals demand such that all constraints can be treated as equalities. Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | Question 5 2 out of 2 points | | | In a media selection problem, instead of having an objective of maximizing profit or minimizing cost, generally the objective is to maximize the audience exposure. Answer | | | | | Selected Answer: | True | Correct Answer: | True | | | | | Question 6 2 out of 2 points | | | Product mix problems cannot have "greater than or equal to" (≥) constraints. Answer | | | | | Selected Answer: | False | Correct Answer: | False | | | | | Question 7 2 out of 2 points | | | In a portfolio problem, X1, X2, and X3 represent the number of shares purchased of stocks 1, 2, an 3 which have selling prices of $15, $47.25, and $110, respectively. The investor stipulates that......

Words: 1433 - Pages: 6

...programming problem involving a capital budgeting application (where xj = 1, if project j is selected, xj = 0, otherwise) the constraint x1 - x2 ≤ 0 implies that if project 2 is selected, project 1 can not be selected. Answer Selected Answer: False Correct Answer: False Question 3 2 out of 2 points Correct In a mixed integer model, some solution values for decision variables are integer and others are only 0 or 1. Answer Selected Answer: False Correct Answer: False Question 4 2 out of 2 points Correct In a problem involving capital budgeting applications, the 0-1 variables designate the acceptance or rejection of the different projects. Answer Selected Answer: True Correct Answer: True Question 5 2 out of 2 points Correct If we are solving a 0-1 integer programming problem, the constraint x1 ≤ x2 is a conditional constraint. Answer Selected Answer: True Correct Answer: True Question 6 2 out of 2 points Correct A conditional constraint specifies the conditions under which variables are integers or real variables. Answer Selected Answer: False Correct Answer: False Question 7 2 out of 2 points Correct In a 0-1 integer programming model, if the constraint x1-x2 = 0, it means when project 1 is selected, project 2 __________ be selected. Answer Selected Answer: must also Correct Answer: must also Question 8 2 out of 2 points Correct If we are solving a......

Words: 1040 - Pages: 5

...MAT 540 Complete Course MAT540 Complete Course Click Link for the Answer: http://workbank247.com/q/mat-540-complete-course-mat540-complete-course/22085 http://workbank247.com/q/mat-540-complete-course-mat540-complete-course/22085 MAT 540 Week 1 Discussion "Class Introductions" Please respond to the following: * Please introduce yourself, including your educational and career goals, as well as some personal information about yourself. In your introduction, please draw from your own experience (or use a search engine) to give an example of how probability is used in your chosen profession. If you get your information from an online or other resource, be sure to cite the source of the information. MAT 540 Week 1 Homework Chapter 1 1. The Retread Tire Company recaps tires. The fixed annual cost of the recapping operation is $65,000. The variable cost of recapping a tire is $7.5. The company charges$25 to recap a tire. a. For an annual volume of 15, 000 tire, determine the total cost, total revenue, and profit. b. Determine the annual break-even volume for the Retread Tire Company operation. 2. Evergreen Fertilizer Company produces fertilizer. The company’s fixed monthly cost is $25,000, and its variable cost per pound of fertilizer is $0.20. Evergreen sells the fertilizer for $0.45 per pound. Determine the monthly break-even volume for the company. 3. If Evergreen Fertilizer Company in problem 2 changes the price of its fertilizer from $0.45 per pound to $0.55 per pound,......

Words: 15000 - Pages: 60