Probability, Random Variables And Stochastic Processes was designed for students who are pursuing senior or graduate level courses, in probability. Those in the disciplines of mathematics physics, and electrical engineering will find this book useful.The authors have comprehensively covered the fundamental principles, and have demonstrated their usage by incorporating examples of basic applications. This edition has been thoroughly revised and updated, and has a co-author too. About 30% of the material is new, with a large number of additional examples which will help students understand the theory better. The design of the textbook has undergone some changes to make the flow of the content smoother.