The board of examiners that administers the real estate broker’s examination in a certain state found that the mean score on the test was 493 and the standard deviation was 72. If the board wants to set the passing score so that only the best 10% of all applicants pass, what is the passing score?
using z-scores,=1.28 using the equation go find z-scores, x-493/72=1.28, solving for x gives you a score of 585.16 which is the exact answer, but if rounding, the answer is 585.
