On a Test with a Population Mean of 75 and Standard

question 42

Multiple Choice

On a test with a population mean of 75 and standard deviation equal to 16, if the scores are normally distributed, what percentage of scores fall between 70 and 80?

• A) 75.66
• B) 70 23
• C) 24.34
• D) 23.57
• E) 12.17

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Definitions:

Bradykinesia

Slowness of movement, which is a common symptom in neurological disorders such as Parkinson's disease.

Craniectomy

A surgical operation that involves taking out part of the skull to reduce pressure on the brain.

Neurons

The basic working units of the brain, specialized cells that transmit information to other nerve cells, muscle, or gland cells.

Nervous System

An organ system consisting of the brain, spinal cord, sensory organs, and all the nerves that connect these organs with the rest of the body, responsible for controlling and communicating information throughout the body.