The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. Assuming a normal distribution, approximately how many scored 90 or higher?
A) 0.4979
B) 0.0021
C) 0.9979
D) 2.86

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The Answer of The average score of 100 students taking a statistics final was 70 with a standard deviation of 7. Assuming a normal distribution, approximately how many scored 90 or higher?
A) 0.4979
B) 0.0021
C) 0.9979
D) 2.86

The Average Score of 100 Students Taking a Statistics Final