Which mathematical model revolutionized Amazon's recommendation system in 2003, increasing their cross-selling success by an estimated 35%?

Advanced mathematical algorithms are reshaping how retail brands make decisions and predict consumer behavior. From predicting customer churn to optimizing inventory levels, mathematics provides the foundation for modern retail intelligence. This poll tests your knowledge of how major brands leverage mathematical models to gain competitive advantages in the marketplace.

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Markov Decision Processes
Matrix Factorization (Collaborative Filtering)
Random Forest Decision Trees
Bayesian Belief Networks