If a test-taker earns a z score of +2 on a test,approximately how many other testtakers obtained higher scores,assuming the distribution of test scores is normal?
A) 2.5%
B) 14%
C) 16%
D) 25%

Question

Quizplus · Accepted Answer

A z-score of +2 corresponds to a percentile rank of approximately 97.5%, meaning that the test-taker scored better than about 97.5% of the other test-takers. Therefore, approximately 2.5% of test-takers obtained higher scores.

If a Test-Taker Earns a Z Score of +2 on a Test,approximately