MA 110-91
§3.2 – 3.5 Quiz #5 score
Name:
14 October 2000
1. If two standard dice are rolled, find the probability that the sum is 6. Express your answer
as a decimal. (6 points)
2. From a standard 52-card deck, find the probability of being dealt four of a kind in a 5-card
hand. Express your answer as a decimal. (7 points)
3. You and a few of your closest math friends make up a game. Your opponent pays you $1
to play. Then the opponent rolls two dice. If the sum is 6 or less, you pay them nothing.
If the sum is between 7 and 11 (inclusive), you pay them $1.25; if 12 you pay them $5.00.
What are the expected winnings per game for your opponent? (7 points)