Multiple Choice
The test scores from a recent Mathematics test are as follows: 95.5,65.9,93.2,88.6,56.8,50,86.4,54.5,40.9,77.3,79.5,65.9,70.5,77.3,81.8,50,79.5,and 68.2.The mean score was 71.2 with a standard deviation of 15.5.If the Normal model is appropriate,what percent of the scores will be less than 40.2?
A) 0.15%
B) 10%
C) 5%
D) 15.87%
E) 2.28%
Correct Answer:
Verified
Correct Answer:
Verified
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