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Mathematics 21 Online
OpenStudy (blackops2_143):

Alicia estimated her test score to be 85. Her actual score was 80. What was the percent error in Alicia’s estimate? Round your answer to the nearest tenth of a percent.

OpenStudy (anthonyym):

Here is the percent error formula http://www.regentsprep.org/regents/math/algebra/am3/LError9.gif

OpenStudy (anthonyym):

Measured value in this case is 80, actual value is 85.

OpenStudy (blackops2_143):

I think the answer is 80.0? is that correct?

OpenStudy (anthonyym):

No that's not correct

OpenStudy (blackops2_143):

5.9% ?

OpenStudy (anthonyym):

Yes 5.9% is right

OpenStudy (blackops2_143):

thx!

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