"And it's Bayes' theorem that explains why - even if you have been diagnosed with breast cancer - the level of error in the tests means you probably don't have it."

Hello World: How to Be Human in the Age of the Machine by Hannah Fry

Got this book for Christmas from Little M. It’s very readable and interesting. This quote actually comes from the Cars chapter which is after the Medicine chapter; The opening page of the Medicine chapter is mind-blowing.