The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score?

# The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score?

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The scores and their percent of the final grade for a statistics student are given. What is the student's weighted mean score?

Homework 81  15
Quiz 86   5
Quiz 90   5
Project 95   40
Final Exam 87   35
The scores
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The student's weighted mean score is

$$\frac{81(15)+86(5)+90(5)+95(40)+87(35)}{100} =89.4$$

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