A Random Variable Is Normally Distributed with a Mean of 25

question 99

Multiple Choice

A random variable is normally distributed with a mean of 25 and a standard deviation of 5. If an observation is randomly selected from the distribution, what value will 15% of the observations be below?

• A) 19.8
• B) 16.2
• C) 18.7
• D) 17.2

Comprehend the increasing use of infographics in digital communication.

Acknowledge the significance of accessible and inclusive design in reaching a wider audience.

Understand the process of design in enhancing document clarity and effectiveness.

Grasp the techniques for creating white space and effective headings to improve readability.

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Definitions:

Tectospinal Tract

A neural pathway involved in reflex movements of the head in response to visual and auditory stimuli.

Anterior Corticospinal Tract

A bundle of nerve fibers in the spinal cord involved in the voluntary movement of muscles, particularly influencing axial muscles.

Lateral Spinothalamic Tract

A neuron pathway within the spinal cord responsible for transmitting pain and temperature sensations to the brain.

Proprioception

The sense of the relative position of one's own parts of the body and strength of effort being employed in movement.