IQ Scores STATS

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Assume that adults have IQ scores that are normally distributed with a mean of 105 and a standard deviation of 20. Find P2 , which is the IQ score separating the bottom 2% from the top 98%. 

 

The IQ score that separates the bottom 2% from the top 98% is P2= _____? 

 

I do not understand how to solve this problem. (Showing my work) 

    • 12 years ago
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