5 Mark and Owen play a zero-sum game. The game is represented by the following pay-off matrix for Mark.
Owen
\cline { 2 - 5 }\cline { 2 - 5 }
Strategy
D
E
F
A
4
1
- 1
\cline { 2 - 5 }
Mark
B
3
- 2
- 2
\cline { 2 - 5 }
C
- 2
0
3
Explain why Mark should never play strategy B.
It is given that the value of the game is 0.6 . Find the optimal strategy for Owen.
(You are not required to find the optimal mixed strategy for Mark.) [0pt]
[7 marks]