Final-Exam Grade Needed
The score needed on the final to reach a target course grade, plus the maximum and minimum possible final grades, by weighted average.
Formula and source
needed = (target - current*(1 - w_f)) / w_f, w_f = final_weight/100; max = current*(1-w_f) + 100*w_f; min = current*(1-w_f).
Standard weighted-average arithmetic (the common syllabus weighted-category convention); the instructor's gradebook governs, by name.
Audience
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Posture
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