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

Ray Mccullough

29 May, 05:20

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)

Know the Answer?

Frances Sanchez · 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