Math Geek Mom: A Reluctant Matriarch

By Rosemarie Emanuele. When I teach probability, I often teach multiplying probabilities using a “tree” diagram. Sometimes these diagrams represent probabilities from a problem, sometimes they represent flips of a coin (that may come up heads or tails), and often they represent children born into a family (that may be boys or girls.) It is that last diagram that I have found myself thinking of lately as I face the first year of winter holidays without my mother. Read more...