probability
In yesterday's post, I asked this question: Let's say, hypothetically speaking, you met someone who told you they had two children, and one of them is a girl. What are the odds that person has a boy and a girl? Most people answer 50%. Unfortunately, this
statistics
An Intuitive Explanation of Bayesian Reasoning is an extraordinary piece on Bayes' theorem that starts with this simple puzzle: 1% of women at age forty who participate in routine screening have breast cancer. 80% of women with breast cancer will get positive mammographies. 9.6% of women without breast
statistics
The free stickers were all mailed Monday. Here's a quick statistical breakdown, courtesy of my wife: United States320 Canada49 38 of the 50 states were represented. The states with zero sticker requests were: HI, KS, LA, MS, MT, ND, NM, RI, SD, VT, WV and WY. Here are