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# algebra question can you please help thanks?

on a standardized test range from 20 to 80. for a certain population of students, the mean is 52 and the standard deviation is 9. presuming the scores reflect a normal distribution, what would a score in the 84th percentile be? what score would be in the 97th percentile?

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- Julius NLv 78 years agoFavorite Answer
P (x < 60.9501) = P (z < 0.9945) = 0.84

P (x < 68.9271) = P (z < 1.8808) = 0.97

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