SOLUTION: Scores on a standardized test are normally distributed with a mean of 450 and a standard deviation of 35. Approximately what percent of students scored between 460 and 480?
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Question 939434: Scores on a standardized test are normally distributed with a mean of 450 and a standard deviation of 35. Approximately what percent of students scored between 460 and 480? Answer by ewatrrr(24785) (Show Source):
You can put this solution on YOUR website! mean of 450 and a standard deviation of 35.
P(460< x < 480) = P( 10/35 < z < 30/35) = normalcdf(10/35, 30/35)
