This is the third daily quiz to be taken
2012. It should take you between half an hour and 2 hours to answer the
following questions. You should be sure to read Chapter 2 (pp 37 -- 58)
of H. J. Bernstein, M. Goldstein, "Network Design and
Implementation Lecture Notes Spring 1984" as well as chapters 1, 2 and 9
of Hwei Hsu ,"Schaum's Outline of Probability, Random Variables, and Random Processes".