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How might the transportation method be used to help a firm add a facility to an existing distribution network? You may wish to describe a simple example.

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Assume that the existing network has two...

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Find the minimum cost solution for the transportation problem detailed in the table below. Find the minimum cost solution for the transportation problem detailed in the table below. Before your solution can be implemented,you discover that the combination Source 3 - Destination 1 is unavailable,due to political turmoil in the country where Source 3 is located.Solve the revised problem.How much is cost increased by this complication? Before your solution can be implemented,you discover that the combination Source 3 - Destination 1 is unavailable,due to political turmoil in the country where Source 3 is located.Solve the revised problem.How much is cost increased by this complication?

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The first solution is in the first table...

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Which of the following is true for degenerate problems?


A) They do not contain a feasible solution.
B) They cannot contain an optimal solution.
C) Supply is greater than demand.
D) Demand is greater than supply.
E) None of the above.

F) A) and E)
G) B) and E)

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The main difference between the intuitive lowest-cost method and the Northwest-corner rule is that


A) the intuitive lowest-cost method always generates a better solution.
B) the Northwest-corner rule is faster.
C) the Northwest-corner rule ignores cost.
D) only the intuitive lowest-cost method generates an optimal solution.
E) intuitive lowest-cost method is more accurate.

F) All of the above
G) A) and B)

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The number of routes filled by a solution to a transportation problem is no larger than ________.

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the sum of...

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A transportation problem has 10 origins and 32 destinations.How many possible routes are there for this problem? How many routes will be used in the optimal solution?

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The number of possible routes is origins...

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A transportation model uses only 5% of its cells.If the number of destinations is 1000,determine the number of sources in the model.

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Number of Cells is 1000X,numbe...

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What does the stepping-stone method do?

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The stepping-stone method is an interactive technique for moving from an initial feasible solution to an optimal solution in the transportation model.

Which of the following is not needed in order to use the transportation model?


A) the source points and their capacity
B) the fixed costs of source points
C) the destination points and their demand
D) the cost of shipping one unit from each source to each destination
E) All of these are needed.

F) A) and B)
G) B) and E)

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Consider the transportation problem and its initial solution in the table below.What is the improvement index for the empty cell Source 1 - Destination 3? Consider the transportation problem and its initial solution in the table below.What is the improvement index for the empty cell Source 1 - Destination 3? A) 0 B) -14 C) -23 D) -70 E) 115


A) 0
B) -14
C) -23
D) -70
E) 115

F) A) and B)
G) A) and C)

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Consider the transportation problem and its optimal solution in the tables below.What is the value of the objective function? Consider the transportation problem and its optimal solution in the tables below.What is the value of the objective function? A) 0 B) $169 C) 300 units D) $2,100 E) $3,140


A) 0
B) $169
C) 300 units
D) $2,100
E) $3,140

F) C) and D)
G) D) and E)

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The information needs of a transportation problem include


A) the cost of shipping one unit from each origin to each destination.
B) the set of destinations and the demand of each.
C) the set of origins.
D) the supply at each origin.
E) all of the above.

F) A) and D)
G) C) and D)

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E

If demand exceeds supply in a transportation problem,the problem must be balanced by adding a dummy source with additional supply.

A) True
B) False

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For the problem below,what is the quantity assigned to the cell Source 1-Destination 2 using the intuitive method for an initial feasible solution? For the problem below,what is the quantity assigned to the cell Source 1-Destination 2 using the intuitive method for an initial feasible solution? A) 1 B) 5 C) 30 D) 45 E) 50


A) 1
B) 5
C) 30
D) 45
E) 50

F) A) and D)
G) None of the above

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Upon completion of the northwest-corner rule,which source-destination cell is guaranteed to be occupied?


A) top-left
B) top-right
C) bottom-left
D) bottom-right
E) the cell with the lowest shipping cost (or at least one of them if there's a tie)

F) A) and B)
G) A) and C)

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The transportation method is a special case of the family of problems known as


A) regression problems.
B) decision tree problems.
C) linear programming problems.
D) simulation problems.
E) statistical problems.

F) A) and E)
G) D) and E)

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For the problem below,what is the quantity assigned to the cell Source 3-Destination 1 using the intuitive method for an initial feasible solution? For the problem below,what is the quantity assigned to the cell Source 3-Destination 1 using the intuitive method for an initial feasible solution? A) 3 B) 13.333 C) 30 D) 45 E) 50


A) 3
B) 13.333
C) 30
D) 45
E) 50

F) A) and E)
G) B) and D)

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A transportation model uses at least 10 sources and 100 destinations.If the ratio of sources to destinations remains constant,does the maximum % of cells used by the optimum solution remain constant? Why or why not?

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Students should approach this problem in...

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A transportation problem has a feasible solution when


A) all of the improvement indices are greater than or equal to zero.
B) all demand and supply constraints are satisfied.
C) the number of filled cells is one less than the number of rows plus the number of columns.
D) all the squares are used.
E) the solution yields the lowest possible cost.

F) B) and D)
G) A) and B)

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The transportation model is a special class of linear programming models.

A) True
B) False

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True

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