We should start using the birthday paradox number (BPN) to express these things. That is, the smallest group of people such that the probability that at least

We should start using the birthday paradox number (BPN) to express these things. That is, the smallest group of people such that the probability that at least one of them will exhibit the criteria is greater than 50%. In this case, the BPN for working at Amazon is 107 (assuming everyone in the group is a worker).