Mathematics
Mathematics, 30.03.2020 20:36, nakeytrag

On a standardized exam, the scores are normally distributed with a mean of 69 and a
standard deviation of 20. Find the Z-score of a person who scored 89 on the exam.

answer
Answers: 2

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On a standardized exam, the scores are normally distributed with a mean of 69 and a
standard d...

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