Player 2
Cooperate
(inspect)
Defect
(stop
inspect)
Player Cooperate
(inspect)
R
probability of
R not being
eaten by
predator
S
probability of
S not being
eaten by
predator
T
probability of
T not being
eaten by
predator
P
probability of
P not being
eaten by
predator
1 Defect
(stop
inspect)
 
 
Inspection and game theory.

The payoffs to predator inspection qualify as a prisoner's dilemma when T > R > P > S.