Name: 
 

Unit 02-06 - Combinations, Permutations, Binomial Probability



Multiple Choice
Identify the choice that best completes the statement or answers the question.
 

 1. 

What is meant by a Zero Sum Game?


a.

A game or situation in which always ends with no one winning the game. It’s a lose-lose situation. The end result of the game is everyone eventually ends up with zero points or no wealth.

 

b.

A game or situation in which everyone starts with zero and gains are made by everyone involbed.


c.

A game or situation in which one person's gain is equivalent to another's loss, so the net change in wealth or benefit is zero.



 

 2. 

In a classroom of 22 students, they are trying to elect a student leader.  Two of the twenty students are candidates (Angie and Jackie) to be elected and are not permitted to vote.  The remaining 20 students each must cast a vote for either Angie or Jackie.  Angie and Jackie end up with a tie of 10 votes each.  So, they take turns trying to persuade individual class members to flip their vote in order to win. Angie persuades 3 students to flip their vote to her and Jackie wasn’t able to persuade anyone to flip.


mc002-1.jpg


Using votes as the benefit, does this situation represent a  zero-sum game?


a.
Yes, because there is always a total of 20 votes.
b.
No, because 3 students flipped their vote.
c.
There is not enough information.
 

 3. 

Based on the Payoff matrices below which is the only one that represents a zero-sum game?


a.

mc003-1.jpg

 

b.

mc003-2.jpg



c.
mc003-3.jpg

 

 4. 

Tim and Mona are each considering Buying or Selling a bicycle in the same Neighborhood Garage Sale.  The net cash value of what they each decided to do is shown in the matrix.


Based solely on the pay-off matrix which combination of strategies would represent the Nash equilibrium?

(Assuming more money is desired.)
mc004-1.jpg

a.
Both Buy.
b.
Both Sell.
c.
Tim Buys; Mona Sells.
d.
Tim Sells; Mona Buys.
 



 
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