There’s an interesting connection here to another article on the front page: https://news.ycombinator.com/item?id=40794786 https://news.ycombinator.com/item?id=

There’s an interesting connection here to another article on the front page: https://news.ycombinator.com/item?id=40794786 https://news.ycombinator.com/item?id=40794786 In that article, squaring a number in interval arithmetic is different from multiplying two independent numbers with the same interval. Here, squaring a random variable is different from multiplying two independent random variables with the same distribution.