An aptitude test has a mean score of 80 and a standard deviation of 5. The population of scores is normally distributed. What raw score corresponds to the 70th percentile?
A) 77.4
B) 83.5
C) 82.6
D) 76.5

Name: An aptitude test has a mean score of 80 and a standard deviation of 5. The population of scores is normally distributed. What raw score corresponds to the 70th percentile? A) 77.4 B) 83.5 C) 82.6 D) 76.5
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Question

Quizplus · Accepted Answer

X = μ + zσ = 80 + (.52)(5) = 82.6

An Aptitude Test Has a Mean Score of 80 and a Standard