Assuming a Normal Model Applies,a Town's Average Annual Snowfall (In $$\mathrm { N } ( 50,6 )$$

question 75

Multiple Choice

Assuming a Normal model applies,a town's average annual snowfall (in cm) is modeled by $$\mathrm { N } ( 50,6 )$$ Draw and label the Normal model.About what percent represents snowfall of less than 62 cm?

• A) ; 0.15%
• B) ; 2.5%
• C) ; 84%
• D) ; 99.85%
• E) ; 97.5%

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Definitions:

Eardrum

A thin membrane that marks the beginning of the middle ear; sound waves cause the eardrum to vibrate.

Cochlea

A coiled, bony, fluid-filled tube in the inner ear that houses the sensory receptors.

Auditory Nerve

The nerve that transmits auditory information from the cochlea in the inner ear to the brain.

Higher-Frequency Sounds

Sounds that have a higher pitch due to their faster vibration rates, typically above the normal human hearing range of 20 to 20,000 hertz.