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n your biology class, your final grade is based on several things: a lab score,

ID: 3126657 • Letter: N

Question

n your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 19% of your total grade, each major test is worth 24.5%, and the final exam is worth 32%. Compute the weighted average for the following scores: 99 on the lab, 85 on the first major test, 92 on the second major test, and 72 on the final exam. (Enter your answer to one decimal place.)

Explanation / Answer

In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 19% of your total grade, each major test is worth 24.5%, and the final exam is worth 32%. Compute the weighted average for the following scores: 99 on the lab, 85 on the first major test, 92 on the second major test, and 72 on the final exam. (Enter your answer to one decimal place.)

%

Marks

weighted marks

lab

19

99

19*99/100= 18.81

major1

24.5

85

24.5*85/100= 20.825

major2

24.5

92

24.5*92/100= 22.54

final

32

72

32*72/100= 23.04

Total

85.215

Answer = 85.2

%

Marks

weighted marks

lab

19

99

19*99/100= 18.81

major1

24.5

85

24.5*85/100= 20.825

major2

24.5

92

24.5*92/100= 22.54

final

32

72

32*72/100= 23.04

Total

85.215