The SAT Is an Exam Used by Colleges and Universities

question 41

Essay

The SAT is an exam used by colleges and universities to evaluate undergraduate applicants. The test scores are
normally distributed. In a recent year, the mean test score was 1475 and the standard deviation was 308. The
test scores of four students selected at random are 1930, 1340, 2150, and 1450.
a)Find the z-scores that correspond to each value
b)Determine whether any of the values are unusual.

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Definitions:

Proteins

Large biomolecules consisting of one or more long chains of amino acid residues, crucial for the structure, function, and regulation of the body's tissues and organs.

Fibrinogen

A soluble plasma glycoprotein that is converted to fibrin in the blood clotting process, playing a key role in wound healing.

Fibrin

A protein involved in blood clotting, formed from fibrinogen through the action of the enzyme thrombin.

Systemic Circulation

The part of the cardiovascular system that carries oxygenated blood away from the heart to the body, and returns deoxygenated blood back to the heart.