The aim of this course is to familiarize the students with knowledge and appropriate use of the specific notions of the course content in the modelling of socio-economic phenomena and the formation of a positive attitude towards the idea of interdisciplinarity. The introduction of probabilistic notions and methods and stochastic processes to ensure the ability to understand economic phenomena. Highlighting the usefulness of probabilistic concepts and stochastic processes learned in business analysis, modelling and optimization.