The z-score representing the 90th percentile of the standard normal distribution is:
A) 1.28.
B) -1.28.
C) 0.67.
D) -0.67.
E) 1.645.

Name: The z-score representing the 90th percentile of the standard normal distribution is: A) 1.28. B) -1.28. C) 0.67. D) -0.67. E) 1.645.
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Question

Quizplus · Accepted Answer

The 90th percentile of the standard normal distribution corresponds to a z-score of approximately 1.28. This means that 90% of the data falls below this z-score in a standard normal distribution.

The Z-Score Representing the 90th Percentile of the Standard Normal