The book "Calculated tasks on probability theory" edited by I. L. Keskevich is an indispensable educational resource for students, graduate students and anyone interested in mathematics and statistics. This edition contains a variety of tasks that will help readers to better understand the basic concepts of probability theory and learn how to apply them in practice. Probability theory is not just an abstract science, but a key to understanding the many processes in our world, from data analysis to event prediction. The book presents assignments that cover a wide range of topics, including combinatorics, random variables, probability distributions, and more. Each task is accompanied by detailed solutions and explanations, which makes the material accessible to perception even for those who are just beginning to get acquainted with this topic. This book will be especially useful for students of mathematical, economic and engineering specialties, as well as for anyone who is ready to delve deeper into the world of probabilities. It is suitable both for self-study and for use in the educational process. Given that probability theory is the basis for many other disciplines, such as statistics, finance and even psychology, this publication will be an excellent help for anyone who seeks a deep understanding of these areas. The topics raised in the book are relevant and in demand. In today's world, where data plays a key role in decision-making, knowledge of probability theory is becoming a necessary skill. The book helps to develop analytical thinking, teaches to critically approach information and make informed conclusions. This is especially important for students who are preparing for future professional activities, where the ability to work with data and analyze risks is becoming increasingly valuable. Style and . L. Keskevich and his co-authors are distinguished by the clarity and accessibility of the presentation . The authors strive to convey complex mathematical concepts in a simple and understandable language, which makes the book attractive to a wide audience. Keskevich is known for his work in the field of probability theory and statistics, and his experience allows him to create high-quality and useful educational materials. Among other well-known works of the author can be distinguished "Probability Theory and Mathematical Statistics", which is also popular among students and teachers. If you are looking for a quality probability theory tutorial that will help you not only prepare for exams, but also develop useful skills, pay attention to “Calculated Probability Theory Tasks”. This book will be your reliable assistant in the study of mathematics and will open up new horizons in the understanding of probabilistic processes. Do not miss the opportunity to immerse yourself in the fascinating world of probabilities and learn how to apply the knowledge gained in real life. The book will also be of interest to those who are fond of data analytics, machine learning and other modern areas where probability theory plays a key role. Do not miss the chance to enrich your knowledge and skills with this unique edition!