SOLUTION: Suppose that IQ scores are normally distributed with mean = 100 and Standard Dev. = 10. Find the 90th percentile of IQ scores. (nearest whole number)
What is the x, y, p and q of
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Question 383648: Suppose that IQ scores are normally distributed with mean = 100 and Standard Dev. = 10. Find the 90th percentile of IQ scores. (nearest whole number)
What is the x, y, p and q of this problem. The answer is 113, but how..
Found 2 solutions by stewbaby, Fombitz:
Answer by stewbaby(1) (Show Source): You can put this solution on YOUR website!
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Find the z-score so that .
Using EXCEL's NORMSINV for , .
Rounding up,
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