Old Operations Researchers don’t die … they just make terrible puns.
So how long do you have to wait in a queue before being served? If we model customer arrivals by the Poisson probability distribution, only whole numbers of customers will arrive (helpful) and the arrival time between customers will be random and distributed exponentially. Next time you’re in a shop, I dare you to ask about the queue λ as an opening conversational gambit ….
Varied edition: 2 prints