Sam bought 1 of 250 tickets selling for $2 in a game

Question

with a grand prize of $400. Was $2 a fair price to pay for
a ticket to play this game?

Answer 1

expected return = (1/250)(400) = 1.6

If it was some kind of fund-raiser ?
What do you think?

Answer 2

I got -0.40 so how did you go about getting this answer

Answer 3

I see how you got it now thanks