The Following Questions Are Based on the Problem Below and Accompanying

question 68

Essay

The following questions are based on the problem below and accompanying Risk Solver Platform (RSP) sensitivity report.
Carlton construction is supplying building materials for a new mall construction project in Kansas. Their contract calls for a total of 250,000 tons of material to be delivered over a three-week period. Carlton's supply depot has access to three modes of transportation: a trucking fleet, railway delivery, and air cargo transport. Their contract calls for 120,000 tons delivered by the end of week one, 80% of the total delivered by the end of week two, and the entire amount delivered by the end of week three. Contracts in place with the transportation companies call for at least 45% of the total delivered be delivered by trucking, at least 40% of the total delivered be delivered by railway, and up to 15% of the total delivered be delivered by air cargo. Unfortunately, competing demands limit the availability of each mode of transportation each of the three weeks to the following levels (all in thousands of tons):
The following is the LP model for this logistics problem.

-Refer to Exhibit 4.1. The Week 1 by Truck and Week 1 by Rail constraints each have a shadow price of -360. What do these values imply?

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Definitions:

Meta-analysis

A statistical technique that combines the results of multiple scientific studies to identify patterns, differences, or effects that the individual studies may be too small to detect on their own.

Statistical Significance

A mathematical measure indicating that the observed results are not likely due to chance, supporting the hypothesis being tested.

Estimated

Approximated or calculated based on available information or data, often used in the context of measurements or quantifications.

Mortality

The state of being subject to death; often used statistically to refer to the rate of death in a population.