In a standard score system with M = 500 and SD = 100, based on a normal distribution, what is the percentile rank for a score of 500?

Name: In a standard score system with M = 500 and SD = 100, based on a normal distribution, what is the percentile rank for a score of 500?
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Quizplus · Accepted Answer

In a normal distribution, the mean score (M) represents the 50th percentile, meaning that 50% of the distribution lies below this score. Since a score of 500 is the mean in this scenario, its percentile rank is 50.

In a Standard Score System with M = 500 and SD