Exhibit 5-5
Probability Distribution 
-Refer to Exhibit 5-5. The variance of x equals
Definitions:
Happiness
A state of well-being and contentment, often associated with feelings of joy or fulfillment.
Evolutionary Theories
A set of principles aimed at explaining how evolutionary processes, such as natural selection, have shaped behaviors, physical traits, and psychological traits over time.
Innate Emotions
Fundamental emotions that are believed to be hardwired into the human psyche, present from birth.
Subcortical Structures
Parts of the brain located below the cerebral cortex, involved in various functions including regulating emotions, memory, and basic survival instincts.
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