SOLUTION: SORRY ABOUT THE CAPS, NOT YELLING JUST CAN'T FIND MY GLASSES TO SEE THE FONT. COULD YOU PLEASE SHOW ME HOW TO WORK THIS PROBLEM OUT? THANK YOU IN ADVANCE. ASSUME THAT ADULTS HAV

Question 760424: SORRY ABOUT THE CAPS, NOT YELLING JUST CAN'T FIND MY GLASSES TO SEE THE FONT. COULD YOU PLEASE SHOW ME HOW TO WORK THIS PROBLEM OUT? THANK YOU IN ADVANCE.
ASSUME THAT ADULTS HAVE IQ SCORES THAT ARE NORMALLY DISTRIBUTED WITH A MEAN OF 105 AND A STANDARD DEVIATION 20. FIND P^2 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 P^2 =
Answer by reviewermath(1029) (Show Source): You can put this solution on YOUR website!
Q:
Assume that adults have IQ scores that are normally distributed with a mean of 105 and a standard deviation 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.
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A:
Enter the following formula into an Excel spreadsheet to get the answer:
=norminv(.02,105,20)
The answer is .
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