Marbles questions

Question

A bag contains 2 gold marbles, 8 silver marbles, and 29 black marbles. Someone offers to play this game: You randomly select one marble from the bag. If it is gold, you win $3. If it is silver, you win $2. If it is black, you lose $1.

What is your expected value if you play this game?

Answer 1

(2/39)3 +(8/39)2 +(29/39)(-1)=-7/39th of a dollar = about negative 18 cents

it's a losing bet or game