Posted by Nakia Speaks on .
The SAT scores of a certain population of students are approximately normally distributed with a mean and standard deviation of 1000 and 200 points, respectively. The probability that a student selected at random from the population has an SAT score between 800 and 1200 approximately

Math (Statistics) 
Reiny,
Perfect data, one standard of devation below and above.
so appr 68% or prob of .68
confirmed by David's webpage
http://davidmlane.com/hyperstat/z_table.html
fill in the data to see and get .6827 
Math (Statistics) 
Anonymous,
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