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Correct answers only please!

Mark has the following averages in his AMDM math class:

Homework: 95

Quiz average: 80

Test average: 67

Final Exam: 60

If the teachers weights Homework at 10%, Quizzes at 20%, Tests at 50%, and Final Exam at 20%, What is Marks class average?


A. 61%

B. 71%

C. 74%

D. 82%

Correct answers only please Mark has the following averages in his AMDM math class Homework 95 Quiz average 80 Test average 67 Final Exam 60 If the teachers wei class=

Respuesta :

Answer:

B.71%

Step-by-step explanation:

Weighted Mean is (All X * W)/sum of W

X for averages and w for weight

           X        W        (X*W)

HW     95      10          980

Quiz    80      20        1600

Test     67      50        3350

Final    60     20          1200

Total               100       7100

Weighted Mean = 7100/100 = 71%

Answer:

B. 71%

Step-by-step explanation:

.10(95) +.20(80) +.50(67) +.20(60) = 71