A student's course grade is based on one midterm that counts as 15% of his final grade, one class project that counts as 25% of his final grade, a set of homework assignments that counts as 40% of his final grade, and a final exam that counts as 20% of his final grade. His midterm score is 61, his project score is 81, his homework score is 90, and his final exam score is 72. What is his overall final score? What letter grade did he earn (A, B, C, D, or F)? Assume that a mean of 90 or above is an A, a mean of at least 80 but less than 90 is a B, and so on. His overall final score is. (Type an integer or a decimal rounded to one decimal place as needed.) His letter grade is D. A.
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Given Information:
Midterm - 15% of his final grade.
Project - 25% of his final grade.
Homework - 40% of his final grade.
Final exam - 20% of his final grade.
Midterm score - 61
Project score - 81
Homework score - 90
Final exam score - 72
To find his overall final score:
Multiply each score by its corresponding percentage and add the results to get the overall score.
That is,
Thus, the mean final score is 79.8
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