Larry Lesser is a professor of mathematics at the University of Texas - El Paso (UTEP) and one of the nation's leading experts on lottery math. We'll discuss the odds of what happened in Colorado a few days ago: Three $50,000 winning tickets from the Powerball lottery being sold at the same store. The answer is VERY much dependent on exactly how you ask the question and is also at least partially dependent on information we don't have, such as how many tickets the store sold.
4 Powerball winning tickets worth $50,000 sold in Colorado Sunday | FOX31 Denver (kdvr.com)
Here’s the song he mentioned at the end of his interview today: https://causeweb.org/cause/resources/fun/songs/average
And he's a singer too! In his version of "The Gambler", Larry uses the classic Kenny Rogers song to teach folks about the lottery: