Question

In: Statistics and Probability

A Student is trying to calculate their final grade. The student estimates the their performance on...

A Student is trying to calculate their final grade. The student estimates the their performance on the following table.

You must complete the table to receive any marks. (Use at least five decimals when necessary)

Category Mark out of 100 Proportion of Grade
Assignment 71 0.22
Quizzes 85
Midterms 32.5 0.22
Final 31 0.39

(a)  What is the expected grade?

answer:

(b)  What is the standard deviation of expected grade?

answer:

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(c)  If a student expects to earn an additional $ 16.5 per year for each % point they scored on their final grade, and there was a cost of $ 400 for school fees, plus $ 650 for tuition. What is the expected profit from this course in their first year of work?

answer:

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