SOLUTION: A student earned grades of 88​, 74​, 76​, and 78 on her four regular tests. She earned a grade of 78 on the final exam and 84 on her class projects. Her combined
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Question 988640: A student earned grades of 88, 74, 76, and 78 on her four regular tests. She earned a grade of 78 on the final exam and 84 on her class projects. Her combined homework grade was 84. The four regular tests count for 40% of the final grade, the final exam counts for 20%, the project counts for 10%, and homework counts for 30%. What is her weighted mean grade? Round to one decimal place.
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
A student earned grades of 88, 74, 76, and 78 on her four regular tests.
She earned a grade of 78 on the final exam and 84 on her class projects.
Her combined homework grade was 84.
The four regular tests count for 40% of the final grade, the final exam counts for 20%, the project counts for 10%, and homework counts for 30%.
What is her weighted mean grade? Round to one decimal place.
:
Find the average of the first 4 tests
= 79
:
av =
av =
av =
av = 80.8
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