Why aren’t allPenguins Criminals?

The Maths!

Table 2

Table 3

Table 1

The THIEF gets more rocks

Table 1

The FORAGER gets more rocks

Table 2

THIEVES and FORAGERS do EQUALLY well

Table 3

The POPULATION gains MORE rocks if most penguins FORAGE

Table 2

Table 3

Table 1

Predict the Number of Criminals in the

Population?

or

YouYour Partner

FORAGE STEAL

FORAGE +1 +2

STEAL –1 –2

1 x chance of meeting

I’ll expect to get: If I play

+– 1 x chance of meeting

YouYour Partner

FORAGE STEAL

FORAGE +1 +2

STEAL –1 –2

I’ll expect to get: If I play

+– 2 x chance of meeting

2 x chance of meeting

=– 1 x chance of meeting Thief

1 x chance of meeting Forager

2 x chance of meeting Thief

2 x chance of meeting Forager

=Chance of meeting Thief

Chance of meeting Forager

–

=Number of Thieves

Number of Foragers

–

If I playIf I play

Predict the Number of Criminals in the

Population?

Q:

Over time Half the Penguins will become

Criminals

A:

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