Consider the following decision tree. 
What is the expected value at node 4?
Definitions:
Evolutionary Psychology
A theoretical approach in psychology that examines human behavior and mental processes through the lens of evolutionary theory, focusing on how adaptive behaviors have evolved.
Evolutionary Psychology
A theoretical approach in psychology that examines human thoughts and behaviors in terms of genetic adaptations for survival and reproduction.
Reproductive Success
The passing of genes to the next generation in a way that they too can pass those genes on.
Dilemma Of The Rarely Exercised Option
A situation in which an available choice is seldom selected, despite its potential benefits, due to factors like risk or uncertainty.
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