Every time you go to the grocery store,you try to choose the shortest line.But all of the lines always seem to be the same length.Why?
A) Everyone else is trying to choose the shortest line,too.
B) The store manager tells the cashiers to speed up or slow down to maintain equal line lengths.
C) The union tells the cashiers to speed up or slow down to maintain equal line lengths.
D) The cashiers all work at the same speed.
E) The cashiers do not have an incentive to work faster,

Question

Quizplus · Accepted Answer

If everyone is trying to choose the shortest line, then all the lines will eventually become the same length as people keep switching to whatever line seems to be moving faster at the moment. This is a common phenomenon observed in places like amusement parks, airports, and other crowded places where people have to wait in line.

Every Time You Go to the Grocery Store,you Try to Choose