Under any other outcome, he loses and receives nothing. The game costs him $5 to play. So under any other outcome, he loses and receives nothing. He has chosen the ticket 0 for R. So we're assuming he's paying the $5 to play and he picks the ticket 0 for R. So let's say we define a random variable X. Let's say that this random variable is the net profit from playing this lottery game. What is the expected from playing 0 for R? So M is particular ticket right over here.