Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

David Harper is the CEO and founder of Bionic Turtle. He is also a published author with a popular YouTube channel on expert finance topics. Probability distributions help investors model uncertainty ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 27, No. 1 (1978), pp. 76-77 (2 pages) This note proposes an approximation to the cumulative normal distribution and its ...

Malcolm Gladwell is a staff writer for the New Yorker and the author of the best-sellers "The Tipping Point," and "Blink." He's also a sports fan, and has plenty to say about how his latest book, ...