If GMAT scores for applicants at Oxnard Graduate School of Business are N(500,50),then the top 5 percent of the applicants would have a score of at least (choose the nearest integer)
A)575
B)582
C)601
D)608

Question

Quizplus · Accepted Answer

The top 5 percent corresponds to the 95th percentile. For a normal distribution N(500,50), the z-score for the 95th percentile is approximately 1.645. Using the formula: score = mean + (z-score * standard deviation), we get 500 + (1.645 * 50) = 582.25, which rounds to 582.

If GMAT Scores for Applicants at Oxnard Graduate School of Business