SOLUTION: The SAT math exam has mean of 451 and standard deviation 17. Jimmy scored at the D9 level. What was his raw score?
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Question 764809: The SAT math exam has mean of 451 and standard deviation 17. Jimmy scored at the D9 level. What was his raw score? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The SAT math exam has mean of 451 and standard deviation 17. Jimmy scored at the D9 level. What was his raw score?
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Find the z-value with a 90% left tail.
invNorm(0.9) = 1.2816
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Find the corresponding score value
x = z*s +u
x = 1.2816*17+451 = 472.79
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Cheers,
Stan H.
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