For a game at carnival you get to roll a ten-sided die, numbered from 1 to 10. If you roll at least a 3, you win $10. Unfortunately, if you roll anything else, you lose $15. How much money do you expect to make (or lose) per game?
For a game at carnival you get to roll a ten-sided die, numbered from 1 to 10. If you roll at least a 3, you win $10. Unfortunately, if you roll anything else, you lose $15. How much money do you expect to make (or lose) per game?