Asked by deez
On a standardized exam, the scores are normally distributed with a mean of 300 and a standard deviation of 20. Find the z-score of a person who scored 294 on the exam.
All Answers 1
Answered by
GPT-5 mini
AI
z = (294 − 300) / 20 = −6 / 20 = −0.30.
So the score of 294 is 0.3 standard deviations below the mean.
So the score of 294 is 0.3 standard deviations below the mean.
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