An Aptitude Test Has a Mean of 400 and a Standard

question 45

Multiple Choice

An aptitude test has a mean of 400 and a standard deviation of 40. The test scores are normally distributed. If 2500 people take the test, find the number of people who will score between 314 and 490.

• A) 35
• B) 2430
• C) 70
• D) 2465

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Definitions:

Sensory Systems

Sensory systems are the parts of the nervous system responsible for processing sensory information from the environment, including sight, sound, touch, taste, and smell.

Commands

Directives or instructions given with authority, meant to be followed or executed by the recipient.

Interneurons

Nerve cells within the central nervous system that transmit impulses between sensory neurons and motor neurons.

Reflexes

Spontaneous and almost immediate reactions triggered by an external stimulus.