SOLUTION: Suppose SAT Mathematics scores are normally distributed with a mean of 515 and a standard deviation of 115. A university plans to send letters of recognition to students whose scor
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Question 1060609: Suppose SAT Mathematics scores are normally distributed with a mean of 515 and a standard deviation of 115. A university plans to send letters of recognition to students whose scores are in the top 10%. What is the minimum score required for a letter of recognition?
can you provide not just the answer but the steps for the ti84 or other calculator. Answer by Fombitz(32388) (Show Source):
You can put this solution on YOUR website! Find the z score that corresponds to p=0.90.
Using EXCEL's NORMSINV,
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Then find x.
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With regards to your calculator, check your manual and find out how to find the inverse of the normal distribution. In other words, plug in p and calculate z.
