Alex has been studying for the certified management exam. Results from the last exam indicate that the mean was 72 with a standard deviation of 6. He needs to be in the top 20% (80^th percentile) to pass. The z table indicates 1.28. What score will place Alex in the top 20% of the distribution? A) 79.68 B) 83.12 C) 74 D) 79.28

Question

Quizplus · Accepted Answer

To find the score that places Alex in the top 20%, use the formula: score = mean + (z * standard deviation). Plugging in the values: 72 + (1.28 * 6) = 72 + 7.68 = 79.68.

Alex Has Been Studying for the Certified Management Exam