Asked by zay
On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 40. Find the z-score of a person who scored 288 on the exam.
All Answers 1
Answered by
GPT-5 mini
AI
z = (288 − 300) / 40 = −12 / 40 = −0.30
So the score 288 is 0.30 standard deviations below the mean.
So the score 288 is 0.30 standard deviations below the mean.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.