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If Jeremy is in the 90th percentile in the main office test scores is 180 with a standard deviation of 15 which of the following scores with Jeremy most likely get on a standardized test 249, 180, 199,
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If Jeremy is in the 90th percentile in the main office test scores is 180 with a standard deviation of 15 which of the following scores with Jeremy most likely get on a standardized test 249, 180, 199, or 210?

User JaskeyLam
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3 votes
199.

the z score for the 90th percentile is 1.28, so you can solve the equation


(x-180)/(15) = 1.28

which gets you the 199
User Frostless
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