Mathematics, 27.02.2020 00:19 moldybubblegum11

In a certain statistics course, four exams were given. Each student's grade was based on a weighted average of his exam scores. The first two tests had weights of 1, the third test had a weight of 2, and the final test had a weight of 3. The exam scores for one student are listed below. What must be the student's score on a 5th test for the student's average score on the 5 tests?(A) 80(B) 82(C) 84(D) 86(E) 88

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In a certain statistics course, four exams were given. Each student's grade was based on a weighted...