Author Archive
Probabilities: when do we add and when do we multiply?
Posted by: Gary Ernest Davis on: October 27, 2010
@davidwees asked on Twitter: “Looking for ideas so students can experiment with the difference between mutually exclusive & independent events in probability.” My Twitter response was: “May sound strange, but: when do probs add, when do they multiply? Explore.” In this post I want to think about mutually exclusive and independent events from a teaching […]
How much does that glass of wine cost?
Posted by: Gary Ernest Davis on: October 27, 2010
About to ? Say, with tip? No: the answer depends on how old you are when you drink it, and what you would do with the money otherwise. I was watching a recent Suze Orman show and I admired the way she drove home the real cost of spending by relating it to a single […]
