1. An egg-guarding female can produce 2 clutches of 100 eggs (each) in a season, with a survival rate of about 50%. Her chance of maternity of these eggs is 95%. A female who does not guard her eggs can produce 4 clutches of 100 eggs (each) with a survival rate of about 20%, still with a maternity probability of 95%. (you can ignore for these the choice of the male)

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Chapter1: Combinatorial Analysis
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Please answer both 1 and 2

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1. An egg-guarding female can produce 2
clutches of 100 eggs (each) in a season, with a
survival rate of about 50%. Her chance of
maternity of these eggs is 95%.
A female who does not guard her eggs can
produce 4 clutches of 100 eggs (each) with a
survival rate of about 20%, still with a
maternity probability of 95%.
(you can ignore for these the choice of the
male)
What is the average payoff (in terms of
surviving offspring) for egg-guarding in
females?
2. What is the average payoff in females for
not guarding eggs?
Transcribed Image Text:1. An egg-guarding female can produce 2 clutches of 100 eggs (each) in a season, with a survival rate of about 50%. Her chance of maternity of these eggs is 95%. A female who does not guard her eggs can produce 4 clutches of 100 eggs (each) with a survival rate of about 20%, still with a maternity probability of 95%. (you can ignore for these the choice of the male) What is the average payoff (in terms of surviving offspring) for egg-guarding in females? 2. What is the average payoff in females for not guarding eggs?
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