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If an IQ distribution is normal and has a mean of 100 and a standard deviation...

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Basic Math

If an IQ distribution is normal and has a meanof 100 and a standard deviation of 15, then 99% of all those takingthe test scored between IQ's of
A. 0 and 150
B. 55 and 145
C. 92.5 and 107.5

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