question archive Clarice was in the process of creating a report on the performance of her students and was trying to determine the z-score related to overall student scores
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Clarice was in the process of creating a report on the performance of her students and was trying to determine the z-score related to overall student scores.
If the mean percentage of students was 75% and the standard deviation was 10%, what z-score would correspond to a student that ended the course with a 95%?