7.3.3 - Video Example: Top 10% SATM

Question: SAT-Math scores are normally distributed with a mean of 500 and standard deviation of 100. What score separates the top 10% from the bottom 90%?

Steps
 
  1. On a PC: from the menu select STATISTICS > Distribution Plot
    On a Mac: from the menu select Statistics > Probability Distributions > Distribution Plot
  2. Select Display Probability 
  3. For Distribution select Normal
  4. For Mean enter 500
  5. For Standard deviation enter 100
  6. Select A specified probability
  7. Select Right tail
  8. For Probability enter 0.10
Video Walkthrough