Question: The mean grade in the Fall 2 0 2 0 statistics class last semester was 7 8 . 3 , and the variance was 4

 
 
The mean grade in the Fall 2020 statistics class last semester was 78.3, and the variance was 49. The distribution of grades was unimodal and symmetrical. Determine how many students are likely to fail the class (<60), and how many students are likely to get an A+(>97), if 60 students are enrolled. Show all your work, and provide a sentence explaining each step of your calculation 
 

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