Taken from: Statistics: informed decisions using data, fourth edition by Michael Sullivan, III ; Finite Mathematics: for business, economics, life science and social sciences, twelfth edition by Raymond A. Barnett, Michael R. Ziegler and Karl E. Byleen.
Mike Sullivan III is a professor of mathematics at Joliet Junior College. He holds graduate degrees from DePaul University in both mathematics and economics. Mike is an author or co-author on more than 20 books, including a statistics book and a developmental mathematics series.