For Any Normally Distributed Random Variable with Mean μ and Standard

question 95

Multiple Choice

For any normally distributed random variable with mean μ and standard deviation σ,the proportion of the observations that fall outside the interval [μ - σ,μ + σ] is closest to _____.

• A)0.0466
• B)0.3174
• C)0.8413
• D)0.1687

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Definitions:

Amygdala

A small, almond-shaped cluster of nuclei located in the temporal lobe of the brain, implicated in the processing of emotions such as fear and pleasure.

Occipital Lobes

The region of the brain located at the back of the head, responsible for visual processing.

Cerebellum

A section of the vertebrate brain located at the rear of the skull, tasked with coordinating and regulating muscle activity.

Medulla

The lower part of the brainstem, controlling vital automatic functions like breathing and heart rate.