Ask Question
24 June, 21:40

A student earned grades of 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on the final exam and 86 on her class projects. Her combined homework grade was 87. The four regular tests count for 40% of the course grade, the final exam counts for 30%, the project counts for 10%, and homework counts for 20%. What is her weighted mean grade? Round to one decimal place.

+5
Answers (1)
  1. 25 June, 00:56
    0
    81.2

    Step-by-step explanation:

    Weighted average is 0.4 * ((84+78+84+72) / 4) + 0.3*78+0.1*86+0.2*87=81.2, thus the answer is 81.2
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “A student earned grades of 84, 78, 84, and 72 on her four regular tests. She earned a grade of 78 on the final exam and 86 on her class ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers