Question 895113: The mean score for a standardized test is 1700 points. The results are normally distributed with a standard deviation of 75 points. If 10,000 students take the exam, how many would you expect to score above 1850 points?
Answer by reviewermath(1029)   (Show Source):
You can put this solution on YOUR website! Q:
The mean score for a standardized test is 1700 points. The results are normally distributed with a standard deviation of 75 points. If 10,000 students take the exam, how many would you expect to score above 1850 points?
A:
Using Excel, the expected number of students to score above 1850 points is equal to =10000*(1-NORMDIST(1850,1700,75,TRUE))
The answer is 227.5 or 228 students (nearest whole number).
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