Which mathematical technique revolutionized retail giant Walmart's supply chain management in the early 2000s, resulting in estimated annual savings of over $1 billion?

In the world of retail mathematics, algorithms and statistical models have transformed how companies make decisions. From inventory optimization to customer behavior prediction, mathematics drives modern retail success. This trivia question explores a pivotal moment in retail history when mathematical modeling fundamentally changed an industry leader's approach to business.

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Time Series Analysis for seasonal demand forecasting
Linear Programming for optimized distribution networks
Bayesian statistics for inventory risk management
Monte Carlo simulations for price optimization