MarketWatch.com | Top Stories Follow Is the $1.3 billion Powerball lottery worth playing? An MIT math professor weighs in. At what point does the jackpot become so big that the math actually starts working in your favor? https://www.marketwatch.com/story/is-the-1-3-billion-powerball-worth-playing-an-mit-math-professor-weighs-in-1cadf425?mod=mw_rss_topstories marketwatch.com