References in classic literature ?
The Nautilus still went at random; all supervision seemed abandoned.
The crowd followed me in a body, and cleared a place for me at the table; after which, I proceeded to stake as before--that is to say, at random and without calculating.
Besides, our action on each other, good as well as evil, is so incidental and at random that we can seldom hear the acknowledgments of any person who would thank us for a benefit, without some shame and humiliation.
In fact, it's not just the biggest hit that occurs at random: The second-biggest and third-biggest also hit randomly.