Posted by
**Anonymous** on
.

Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6.

What is the percentile rank of a score of 89?

Friday

March 24, 2017
Posted by
**Anonymous** on
.

Scores on a recent national statistics exam were normally distributed with a mean of 80 and a standard deviation of 6.

What is the percentile rank of a score of 89?

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