X has the following probability distribution. 
Compute the expected value of X.
Definitions:
Cognitive Component
Pertains to the beliefs, thoughts, and knowledge about an object, person, situation, or concept that are part of an attitude.
Physiological Component
Aspects of bodily functions and processes that contribute to physical health or activity.
Polygraph
A device, also known as a lie detector, that measures and records several physiological indicators such as blood pressure, pulse, respiration, and skin conductivity while the subject is asked and answers a series of questions.
Galvanic Skin Response
Galvanic skin response is a physiological reaction that causes the conductivity of the skin to change in response to emotional arousal, stress, or stimulation.
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