What z-score value separates the highest 10% of the scores in a normal distribution from the lowest 90%?

Name: What z-score value separates the highest 10% of the scores in a normal distribution from the lowest 90%?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

The z-score that separates the highest 10% of the scores from the lowest 90% in a normal distribution is z = 1.28. This is because a z-score of 1.28 corresponds to the 90th percentile in a standard normal distribution, indicating that 90% of the data falls below this value.

What Z-Score Value Separates the Highest 10% of the Scores