This book is for students who want to learn probability and statistics it brings together many of the main ideas in modern statistics in one place. The book is suitable for students and researchers in statistics, computer science, biostatistics, and machine learning. Exercises are placed at appropriate points throughout these lecture notes. They aren''t intended to be decorative: do them. This is by far the most effective way to learn mathematics. You''re encouraged to answer the questions as soon as possible after covering the relevant material.