Given That on One Section of the SAT the Mean

question 7

Multiple Choice

Given that on one section of the SAT the mean is 500 and the standard deviation is 100,what is the approximate probability of a student scoring 300 or higher on the test?

• A) .98
• B).02
• C).12
• D).75

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Definitions:

Cochlea

A spiral-shaped cavity in the inner ear that plays a key role in the sense of hearing by converting sound vibrations into electrical signals.

Endolymph

A fluid contained within the membranous labyrinth of the ear, playing a key role in hearing and balance.

Perilymph

A fluid located in the inner ear, found within the scala tympani and scala vestibuli of the cochlea.

Cerumen

Another term for earwax, a substance secreted in the ear canal that protects and cleans the ears.