The average score on a standardized test is 500 points with a standard deviation of 50 points. What is
the probability that a student scores more than 400 on the standardized test?

Question

The average score on a standardized test is 500 points with a standard deviation of 50 points. What is 
the probability that a student scores more than 400 on the standardized test?

anonymous · Answer

For this you would have to draw out the little graph, and since the median is 500 it goes in the middle and the standard deviation is 50 so you would add/subtract 50 from 500 to get: |dw:1372707453673:dw|