AQA D2 2013 June — Question 5

Exam BoardAQA
ModuleD2 (Decision Mathematics 2)
Year2013
SessionJune
TopicGroups

5 Romeo and Juliet play a zero-sum game. The game is represented by the following pay-off matrix for Romeo.
Juliet
\cline { 2 - 5 }StrategyDEF
A4- 40
\cline { 2 - 5 } RomeoB- 2- 53
\cline { 2 - 5 }C21- 2
\cline { 2 - 5 }
\cline { 2 - 5 }
  1. Find the play-safe strategy for each player.
  2. Show that there is no stable solution.
  3. Explain why Juliet should never play strategy D.
    1. Explain why the following is a suitable pay-off matrix for Juliet.
      45- 1
      0- 32
    2. Hence find the optimal strategy for Juliet.
    3. Find the value of the game for Juliet.