SOLUTION: a student has taken 6 tests and received scores of 88,73,81,83,79,94. the seventh test is coming up and the student wants to know: What is needed on the seventh test to have a mean
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Question 658200: a student has taken 6 tests and received scores of 88,73,81,83,79,94. the seventh test is coming up and the student wants to know: What is needed on the seventh test to have a mean of score of 83?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The desired average multiplied by the number of tests is the total required number of points. Multiply 7 times 83, and subtract the sum of the scores of the 6 tests already taken.
John
My calculator said it, I believe it, that settles it
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