Suppose the final exam in this class has a normal, or bell-shaped, grade distribution of exam scores, with an average score of 80. An approximate function that models your class’s grades on the exam is ,

where N represents the number of students who received the score x.

a. Graph this function.

b. What is the average grade?

c. Approximately how many students scored a 60?

d. Approximately how many students scored 100?

Transcribed Image Text:

Suppose the final exam in this class has a normal, or bell-shaped, grade distribution of exam scores, with an average score of 80. An approximate function that models your class’s grades on the exam is , N(x) = 10e-x-80/16 Suppose the final exam in this class has a normal, or bell-shaped, grade distribution of exam scores, with an average score of 80. An approximate function that models your class’s grades on the exam is , N(x) = 10e-x-80/16

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