“The 50–50–90 rule: anytime you have a 50–50 chance of getting something right, there’s a 90% probability you’ll get it wrong.”
- Andy Rooney (1919–2011), American radio and TV writer
Life is full of things that test probability.
For healthcare, I’m a member of an HMO.
At a visit to my primary care provider a couple years ago for something unrelated, as I was…