A professor grades students on four tests, a term paper, and a final examination. Each test counts as 15% of the course grade. T
he term paper counts as 20% of the course grade. The final examination counts as 20% of the course grade. Alan has test scores of 86, 76, 84, and 80.
Alan received an 80 on his term paper. His final examination score was 90. Use the weighted mean formula to find Alan's average for the course. (Round your answer to one decimal place.)
Marilee wants to earn an "A" in a class and needs an overall average of at least Her test grades are 88 , 92,100 , and 80 . The average of her quizzes is 90 and counts as one test grade. The final exam counts as 2.5 test grades. What scores on the final exam would result in Marilee's overall average of 92 or greater? (See Example 9
