Given That the Random Variable X Is Normally Distributed with a Mean

question 172

Multiple Choice

Given that the random variable X is normally distributed with a mean of 80 and a standard deviation of 10, which of these is the value of P(85 X 90) ?

• A) 0.5328
• B) 0.3413
• C) 0.1915
• D) 0.1498

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Definitions:

Serotonin

A neurotransmitter in the brain that affects mood, social behavior, appetite, digestion, sleep, memory, and sexual desire and function.

Dopamine

A neurotransmitter involved in controlling movement and posture, moderating mood, and affecting motivation and reward.

Impulsivity

A tendency to act on a whim, displaying behavior characterized by little or no forethought, reflection, or consideration of the consequences.

Novelty Seeking

The trait of pursuing new and different experiences, sensations, and objects, often driven by a desire for excitement and exploration.