Bidding
Number of points required for a non-preemptive opening bid.
What is 12?
The number of cards for a fit.
What is 8?
The number of ways 4 people can sit at a bridge table
What is 24? (4! = 24)
The definition of odds.
What is the likelihood an event occurring represented as a ratio?
The number of possible bridge hands.
What is 635 billion?
This is what a 1NT bid implies.
What is 15-17 points and even distribution?
Someone should lead this in 1NT.
What is the 4th highest in your longest and strongest suit?
Number of ways of sorting nothing.
What is one? (0! = 1)
The definition of a set.
What is a collection of objects?
The number of ways to pass 3 cards from your hand in hearts. (No simplification necessary.)
What is 13C3?
The meaning of a takeout double.
What is an overcall that asks for their partner's suit, indicates 12+ points, and coverage in all suits but the one bid by the opponents?
3 possible leads when we are not in no trump.
What are top of a series, partner's suit, singleton, doubleton, or a lead from nothing? (Only need 3.)
The number of possible ways to make a 1st, 2nd, and 3rd place from 7 teams in a 14 person class during a bridge tournament.
What is 35?
(7!)/(4!xx3!)
The definition of a sample space.
What is the set of all possible outcomes?
Assuming the opponents have 4 cards in a suit, the number of ways a 2-2 split can occur (an even split).
What is 6 ways?
The names of the two bids responding to 1NT that provide information to your partner about your majors.
What are Stayman and transfers?
International match points received for bidding and making 3 hearts doubled.
What is 1180?
60+60+60+1000 = 1180
The number of ways of sorting the letters in coffee.
What is 180?
(6!)/(2!xx2!)
The Axioms of Probability.
What are non-negativity, the probability of the sample space being one, and the probability of two mutually exclusive events occurring is the sum of the probabilities of each of them?
This is how you would set up the equation to find the probability of a Yarborough (no honors) in bridge.
What is 32C13/52C13?
You would bid this if you have 5-11 points and a 5-5 distribution (or more) in two of the suits. (There is one answer for two of the top unbid suits and another for two of the bottom unbid suits. You just have to get one.)
What is Michael's Cuebid or Unusual 2NT?
The action of playing a medium-high card to get the opponents to play a higher card that you will beat with your partner's hand.
What is a finesse?
The number of possible license plates with 7 characters. (You don't have to find the actual value.)
What is 367?
Name at least 2 types of proofs.
What are two of direct proof, story proof, proof by contradiction, proof by contrapositive, or (disproof) by counterexample?
Pascal's Triangle helps us expand (x+y)n by telling us the coefficients with the nth row of Pascal's triangle. This is the expansion for (x+y)5.
What is x5 + 5x4y + 10x3y2 + 10x2y3 + 5xy4 + y5?