A professor determines a final grade based on attendance, two papers, three major tests, and a final exam. Each of these activities has a total of 100 possible points. However, the activities carry different weights. Attendance is worth 6%, each paper is worth 8%, each test is worth 19%, and the final is worth 21%. (a) What is the average for a student with 84 on attendance, 78 on the first paper, 89 on the second paper, 68 on test 1, 80 on test 2, 95 on test 3, and 81 on the final exam? (Enter your answer to one decimal place.)   (b) Compute the average for a student with the above scores on the papers, tests, and final exam, but with a score of only 30 on attendance. (Enter your answer to one decimal place.)

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Counting Principles

In statistics, the counting principle can be said to be the concept in which the quantity of an item is determined. There can be a single item, or a group of items, or items that are related to each other. In every possible set of items, the quantity of the possible item groups or their sorting measures can be determined with counting principles.