Randall Munroe of xkcd on Data Stories

Working towards the ultimate Sunday crossword.

Early retirement. That’s what most people want, unless you’re lucky …

Some places attract young singles, whereas others attract married couples and families. I was curious how this varied across the country, so I mapped it.

Imagine that you try to do something and there’s a 20% chance of success. If you try to do the thing six times, what is the probability that you succeed at least once?