Reconsider the roulette wheel description in Exercise 11.6.20. If you bet $1 on red and the ball lands on a red number, you will get your $1 back plus another $1. If the ball does not land on a red number, you will lose your dollar. If you kept betting like this, how much do you expect to win or lose per game in the long run?

Data from Exercise 11.6.20.

An American roulette wheel has numbers 1 through 36, where the even numbers are black and odd numbers are red. There are also numbers 0 and 00, which are green. The wheel is spun and a ball will randomly land on one of these 38 numbers.