Closely related is Laplace's Rule of Succession[1], which basically says that (in lieu of other information), the odds of something happening next time go down the more times in a row that it doesn't happen (and vice versa).

So for example, the longer a time bomb ticks, the less likely it is to go off any time soon. (Assuming the timer isn't visible.) :)

[1] https://en.wikipedia.org/wiki/Rule_of_succession