Suppose we
have four individuals in an EA population with fitness values 10, 20, 30, and
40....

Question

Suppose we
have four individuals in an EA population with fitness values 10, 20, 30, and
40. 

a) What are
the selection probabilities of each individual given one spin of a
roulette-wheel? 

b) Suppose
we use over-selection so that the best 50% of the population has a 75%
probability of selection, and the worst 50% of the population has a 25%
probability of selection. What are the selection probabilities of each
individual given one spin of a roulette-wheel? 

c) What are
the selection probabilities if we use sigma scaling? 

d) What are
the selection probabilities if we use rank-based selection?

Rajeswari · Accepted Answer

112443 ASSIGNMENT
Suppose we have four individuals in an EA population with fitness values 10, 20, 30, and 40.
a) What are the selection probabilities of each individual given one spin of a roulette-wheel?
b) Suppose we use over-selection so that the best 50% of the population has a 75% probability of selection, and the worst 50% of the population has a 25% probability of selection. What are the selection probabilities of each individual given one spin of a roulette-wheel?

Suppose we have four individuals in an EA population with fitness values 10, 20, 30, and 40. a) What are the selection probabilities of each individual given one spin of a roulette-wheel? b) Suppose...

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