Final Mark?

SoundsBestToLose · 19-June-06, 01:23 PM

Anyone know the formula or a site that can do it for me?

People keep asking how low of a mark they will need to pass with a %50, or how high of mark need on the final to raise it.

I know you have to cross multiply...

Example: final is worth %20 of overall, have a %57 going in. How low of mark could I have on the final and still pass.

Thanks in advance.

Cyno01 · 19-June-06, 01:42 PM

22%

/screw flanders

SoundsBestToLose · 19-June-06, 02:58 PM

How did you come up with that number lol!

Nerdz · 19-June-06, 04:06 PM

Why not try as hard as you can and hope for the best?

Im_gumby · 19-June-06, 04:13 PM

Quote:

Originally Posted by SoundsBestToLose


	Example: final is worth %20 of overall, have a %57 going in. How low of mark could I have on the final and still pass.

.57/.8 + x/.2 = y

Solving for x will give you what you need to score to get y%.
If passing is 65%, substitute .65 for y in the above equation.

Hak Foo · 19-June-06, 05:13 PM

I think it should be multiplied, not divided

(weight of final exam as a decimal) (score on final as a decimal) + (1-weight of final) (score on rest of class as a decimal) = (desired grade as a decimal)

Example given above:

.2 (score) + .8 (.57) = .50
.2 score + .456 = .50
.2 score = .044
score = .22

So Cyno is correct. He needs a 22 percent to pass

Im_gumby · 20-June-06, 07:40 AM

Quote:

Originally Posted by Hak Foo


	I think it should be multiplied, not divided (weight of final exam as a decimal) (score on final as a decimal) + (1-weight of final) (score on rest of class as a decimal) = (desired grade as a decimal) Example given above: .2 (score) + .8 (.57) = .50 .2 score + .456 = .50 .2 score = .044 score = .22 So Cyno is correct. He needs a 22 percent to pass

Yup, sorry about that.

19-June-06, 01:23 PM		#1 (permalink)
SoundsBestToLose Apex Advanced Techie	Final Mark? Anyone know the formula or a site that can do it for me? People keep asking how low of a mark they will need to pass with a %50, or how high of mark need on the final to raise it. I know you have to cross multiply... Example: final is worth %20 of overall, have a %57 going in. How low of mark could I have on the final and still pass. Thanks in advance.

19-June-06, 01:42 PM		#2 (permalink)
Cyno01 Apex Tech God	Re: Final Mark? 22% /screw flanders

19-June-06, 02:58 PM		#3 (permalink)
SoundsBestToLose Apex Advanced Techie	Re: Final Mark? How did you come up with that number lol!

19-June-06, 04:06 PM		#4 (permalink)
Nerdz Sir Knight of Spamalot	Re: Final Mark? Why not try as hard as you can and hope for the best?

19-June-06, 05:13 PM		#6 (permalink)
Hak Foo Apex Elite Tech	Re: Final Mark? I think it should be multiplied, not divided (weight of final exam as a decimal) (score on final as a decimal) + (1-weight of final) (score on rest of class as a decimal) = (desired grade as a decimal) Example given above: .2 (score) + .8 (.57) = .50 .2 score + .456 = .50 .2 score = .044 score = .22 So Cyno is correct. He needs a 22 percent to pass

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