"You can roll the dice as many times as you like, but you can't think about the world until 9 comes up twelve times in a row. Then you can think about it for a minute. After that you have to start rolling the die again."

You may have hit upon a great way in general to get people to put improbable but vivid risks in perspective. Scared of flying on that plane? Don't take youre flight only if you role your X sided dice and get the number C, y many times. Etc. It's worth expanding upon as a solution to how irrational fears can warp the actions of generally fairly rational people.