A professor gives 3 tests and uses a weighted average to determine the final grades in his psychology class. the weights are as follows: test 1 = 30%, test 2 = 20%, and test 3 = 50%. if a student scores 95 on the first test, 70 on the second test, and 80 on the third test, what would be her final score?

Question

Mathematics

Hurst

19 February, 15:50

A professor gives 3 tests and uses a weighted average to determine the final grades in his psychology class. the weights are as follows: test 1 = 30%, test 2 = 20%, and test 3 = 50%. if a student scores 95 on the first test, 70 on the second test, and 80 on the third test, what would be her final score?

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Answers (1)

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Cindy Lou Who · Answer 1

The weighted average for this case is given by:

GPA = ((weighting) * (note)) / (weighting)

Substituting values we have:

GPA = (((30) * (95)) + ((20) * (70)) + ((50) * (80))) / (30 + 20 + 50)

GPA = 82.5

Answer:

her final score would be:

GPA = 82.5