An English instructor gave a final exam and found a mean score of 70 points and a standard deviation of 6.8 points.Assume that a Normal model can be applied.Draw and label the Normal model for the exam scores.Describe the scores of the top 2.5%.
A) ;Higher than 90.4 points
B) ;Higher than 76.8 points
C) ;83.6 points
D) ;Higher than 83.6 points
E) ;Higher than 76.8 points

Question

An English instructor gave a final exam and found a mean score of 70 points and a standard deviation of 6.8 points.Assume that a Normal model can be applied.Draw and label the Normal model for the exam scores.Describe the scores of the top 2.5%.
A) ;Higher than 90.4 points 
B) ;Higher than 76.8 points 
C) ;83.6 points 
D) ;Higher than 83.6 points 
E) ;Higher than 76.8 points

Quizplus · Accepted Answer

The Answer of An English instructor gave a final exam and found a mean score of 70 points and a standard deviation of 6.8 points.Assume that a Normal model can be applied.Draw and label the Normal model for the exam scores.Describe the scores of the top 2.5%.
A) ;Higher than 90.4 points 
B) ;Higher than 76.8 points 
C) ;83.6 points 
D) ;Higher than 83.6 points 
E) ;Higher than 76.8 points

An English Instructor Gave a Final Exam and Found a Mean