Thoroughly revised and updated, this second edition provides the basics of probability and statistical concepts in terms that are easily understood by engineers and engineering students. The basic principles are presented and illustrated through relevant problems to engineering and the physical sciences. The authors firmly believe that the easiest and most effective way for engineers to learn new abstract principles and be able to apply them is through numerous illustrations and applications and the second edition offers fully updated problems, illustrations and applications to reinforce a working knowledge of the concepts and methods.