(Expected value) How can I fine the expected value in a game, you draw a card for the deck and if you card is a spade that is less then 5 you win. The buyin- $3 and payout-$15

The great thing about this problem is they give you everything you need to solve it easily. so the expression is: 12h+30w12h+30wand so everywhere you have an “h” you place 66. and everywhere you have a “w” you place 33. then the expression will look like this: 12(66)+30(33)12(66)+30(33)from here you multiply and then add. getting the following of: $785,862hope this