Poker Math That Matters

Quiz
(Answers on pg. 158)
1. Someone has the four As face down on a table. You
have one chance to try to pick the A♠. If you pick it
correctly, they’ll pay you $3. If you do not, you pay $1.
What is the EV of this wager?
33
2. There are three cups upside down on a table.
Underneath one is a green ball. Underneath another is a
red ball. Underneath another is an orange ball. If you
pick green, you win $5. Pick red, you lose $2. Pick
orange, you lose $1. What is the EV of picking one cup?
3. Someone holds out a deck of cards. If you pick out a K,
they’ll give you $10. If you do not, you owe them $1.
What is the EV of this wager?
4. Someone holds out a deck of cards. If you pick out a
spade, they will give you $4. However, if you pick out
the A♠, they’ll give you $20. It will cost you $1 to draw.
What is the EV of this wager?
5. Someone gives you two dice. They offer to pay you $37
if you roll two 6s. However, it will cost you $1 a roll.
What is the EV of this wager?