6. | Grades: Weighted Average Professor Cramer determines a final grade based on attendance, two papers, three major tests, and a final exam. Each of these activi- ties has a total of 100 possible points. However, the activities carry different weights. Attendance is worth 5%, each paper is worth 8%, each test is worth 15%, and the final is worth 34%. (a) What is the average for a student with 92 on attendance, 73 on the first paper, 81 on the second paper, 85 on test 1, 87 on test 2, 83 on test 3, and 90 on the final exam? (b) Compute the average for a student with the scores from part (a) on the papers, tests, and final exam, but with a score of only 20 on attendance.

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter2: Systems Of Linear Equations
Section2.4: Applications
Problem 2EQ: 2. Suppose that in Example 2.27, 400 units of food A, 500 units of B, and 600 units of C are placed...
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6. | Grades: Weighted Average Professor Cramer determines a final grade based on
attendance, two papers, three major tests, and a final exam. Each of these activi-
ties has a total of 100 possible points. However, the activities carry different
weights. Attendance is worth 5%, each paper is worth 8%, each test is worth
15%, and the final is worth 34%.
(a) What is the average for a student with 92 on attendance, 73 on the first
paper, 81 on the second paper, 85 on test 1, 87 on test 2, 83 on test 3, and
90 on the final exam?
(b) Compute the average for a student with the scores from part (a) on the
papers, tests, and final exam, but with a score of only 20 on attendance.
Transcribed Image Text:6. | Grades: Weighted Average Professor Cramer determines a final grade based on attendance, two papers, three major tests, and a final exam. Each of these activi- ties has a total of 100 possible points. However, the activities carry different weights. Attendance is worth 5%, each paper is worth 8%, each test is worth 15%, and the final is worth 34%. (a) What is the average for a student with 92 on attendance, 73 on the first paper, 81 on the second paper, 85 on test 1, 87 on test 2, 83 on test 3, and 90 on the final exam? (b) Compute the average for a student with the scores from part (a) on the papers, tests, and final exam, but with a score of only 20 on attendance.
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