Use the Empirical Rule to Describe Data That Are Bell $2.5 \%$

question 34

Multiple Choice

Use the Empirical Rule to Describe Data That Are Bell Shaped
-The average score of local students on a college entrance exam is 110 , with a standard deviation of 5 . The distribution is roughly bell shaped. Use the Empirical Rule to find the percentage of local students with scores above 120 .

• A) \(2.5 \%\)
• B) \(5 \%\)
• C) \(95 \%\)
• D) \(97.5 \%\)

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Definitions:

Endocrine System

A network of glands in the body that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things.

Brain Hemispheres

The two halves of the brain, each responsible for different functions, with the left hemisphere often involved in logical tasks and the right in creative tasks.

Neuron Communication

The process by which neurons transmit signals to each other, involving electrical impulses and chemical neurotransmitters.

Hypothalamus

A region of the brain below the thalamus that coordinates both the autonomic nervous system and the activity of the pituitary, controlling body temperature, thirst, hunger, and other homeostatic systems.