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Sagot :
Answer:
[tex]\bar{x}=91.8[/tex]Step-by-step explanation:
Grades respectively:
30% Grades exams: 88
30% Term paper: 90
40% Final exam: 96
The weighted mean is represented by the following equation:
[tex]\bar{x}=\frac{\sum ^{}_{}(wx)}{\sum ^{}_{}w}[/tex]Therefore, the student's final average would be:
[tex]\begin{gathered} \bar{x}=\frac{0.3\cdot88+0.3\cdot90+0.4\cdot96}{1} \\ \bar{x}=91.8 \end{gathered}[/tex]
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