Solve the problem.
-Elaine gets quiz grades of 60, 69, and 68. She gets a 65 on her final exam. Find the weighted mean if the quizzes each count for 10% and the final exam counts for 70% of the final grade.
A)65.3
B)62.2
C)65.5
D)65.2

Question

Quizplus · Accepted Answer

The weighted mean is calculated by multiplying each quiz grade by its weight (10%) and the final exam by its weight (70%), then summing these products: (60*0.1 + 69*0.1 + 68*0.1 + 65*0.7) = 65.2.

Solve the Problem. -Elaine Gets Quiz Grades of 60, 69, and 68. She