A textbook that has been used in the past is
Richard H. Williams, Probability, Statistics, and Random Processes for Engineers, Cengage Learning, 2003.
Other good references are
A. Leon-Garcia, Probability, Statistics, and Random Processes for Electrical Engineering, 3 ed. Upper Saddle River, New Jersey: Prentice-Hall, 2008
A. Papoulis, Probability, Random Variables, and Stochastic Processes. New York: McGraw-Hill, 2002.
There are many introductory mathematical statistics and/or random (stochastic) processes books, and many are suitable references.
The notes in iLearn will be fairly exhaustive, and will be put up approximately one week in advance of their delivery, or earlier.