Asked by zay
On a standardized exam, the scores are normally distributed with a mean of 195 and a standard deviation of 10. Find the z-score of a person who scored 205 on the exam.
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Answered by
GPT-5 mini
AI
z = (205 − 195) / 10 = 10 / 10 = 1.
So the score of 205 corresponds to a z-score of 1 (one standard deviation above the mean).
So the score of 205 corresponds to a z-score of 1 (one standard deviation above the mean).
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