Car Sales
The joint probability distribution of variables X and Y is shown in the table below.Rebecca and Rachel are car salespeople.Let X denote the number of cars that Rebecca will sell in a month,and let Y denote the number of cars Rachel will sell in a month. 
-{Car Sales Narrative} Calculate E(X + Y)directly by using the probability distribution of X + Y.
Definitions:
Pleasure
A feeling of happiness, enjoyment, or satisfaction derived from an experience that is pleasing to the senses or mind.
Hippocampus
A region of the brain involved in the formation of new memories and is also associated with learning and emotions.
Conscious Memories
Memories that can be intentionally recalled, reflecting experiences we are aware of.
Limbic System
A complex system of nerves and networks in the brain, involving several areas near the edge of the cortex concerned with instinct and mood. It controls the basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).
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