This assignment solution addresses key concepts in decision analysis. It begins by explaining the advantages of payoff matrices and decision trees, detailing their application in different decision-making scenarios. The solution then presents a case study involving the purchase of industrial robots, utilizing payoff matrices to evaluate different strategies under varying market conditions and applying criteria like maximax, maximin, Laplace, and expected value. The assignment further explores the impact of survey information and calculates the Expected Value of Sample Information (EVSI). A simulation model for an airline company is developed, demonstrating the impact of overbooking and no-shows on profitability. Finally, the solution presents regression analyses to explore the relationship between GPA, GMAT scores, and age, providing insights into the factors influencing academic performance. The document provides detailed calculations, explanations, and interpretations of the results, offering a comprehensive understanding of decision-making techniques and their application in business contexts.