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.

Question

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The Answer of 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.

The SAT Is an Exam Used by Colleges and Universities