anonymous
  • anonymous
Please Help!!!! Remo needs to buy a countertop for a bathroom. He calculated the area as 10 square feet. The actual area is 9.5 square feet. What is Remo's percentage error? A) 0.5% B) 0.95% C) 5% D) 5.26%
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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jamiebookeater
  • jamiebookeater
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ShadowLegendX
  • ShadowLegendX
What do you think the answer is?
anonymous
  • anonymous
i think its 0.5%??
anonymous
  • anonymous
@ShadowLegendX

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anonymous
  • anonymous
because if i add 0.5 + 9.5 its 10?
ShadowLegendX
  • ShadowLegendX
hmm
anonymous
  • anonymous
when the real calculation is just 9.5??
anonymous
  • anonymous
@ShadowLegendX
anonymous
  • anonymous
@ganeshie8 can you please help?
anonymous
  • anonymous
or somebody?? Please :(
anonymous
  • anonymous
C
anonymous
  • anonymous
0.5/10 x100 = 5
LanHikari22
  • LanHikari22
The way you calculate Error percentage is you see how "far" the faulty value, in a sense, is from the truth. Error Percentage = | Wrong - True | / True where Wrong = the wrong value, True = the true value, and it's absolute because we're considering a displacement. "how far" the answers are, and then the rate of that distance to our truth is the error percentage.
ninjaslice
  • ninjaslice
PLEASE DO NOT GIVE OUT THE ANSWER WITHOUT SHOWING WHY. IT IS AGAINST the terms of use guys. sadly, Just like I was, you will get suspended :/
anonymous
  • anonymous
??? im confused because it says the real calculation is 9.5
anonymous
  • anonymous
but i added 9.5 + 0.5 = 10 and 10 is what he put
ninjaslice
  • ninjaslice
have you read the lesson yet?
anonymous
  • anonymous
yes @ninjaslice
ninjaslice
  • ninjaslice
What does the lesson say?
anonymous
  • anonymous
it says that He calculated the area as 10 square feet. but the actual area is 9.5 square feet. What is Remo's percentage error? its that its 0.5 more
anonymous
  • anonymous
more like he put 0.5 more?
anonymous
  • anonymous
giving him 10 when it supposed to be 9.5
anonymous
  • anonymous
@ninjaslice
ninjaslice
  • ninjaslice
I sent a private message.
anonymous
  • anonymous
How much did he miss it by?
anonymous
  • anonymous
he missed it by 0.5 @nelsonjedi
mathmate
  • mathmate
As @LanHikari22 stated: Error Percentage = | Wrong - True | / \(\color{red}{True}\) = error/\(\color{red}{True}\) So what is error, and what is "true"? @KayleeMullins
anonymous
  • anonymous
He calculated the area as 10 square feet. "The actual area is 9.5 square feet".
mathmate
  • mathmate
What is error, and what is "true"? Once you get these right, you can work out the error percentage.
anonymous
  • anonymous
wait @mathmate
anonymous
  • anonymous
i subtracted 0.5 from 10 giving me 9.5 the real deal is 9.5 so he messed up with just 0.5
anonymous
  • anonymous
square feet
mathmate
  • mathmate
What is error, and what is "true"?
anonymous
  • anonymous
the error is 10 the true is 9.5
mathmate
  • mathmate
Hint: Error is what he thinks it is minus what it really is.
anonymous
  • anonymous
so 10-0.5=9.5
ninjaslice
  • ninjaslice
Nice good job!
mathmate
  • mathmate
true=9.5 is correct. Take an example. Suppose I am guessing your math grade. I guessed 95%, and you actually got 98%. What is true, and what is my error?
anonymous
  • anonymous
your error is 95% but the truth is 98% you missed by just 3% @ninjaslice
anonymous
  • anonymous
@mathmate
mathmate
  • mathmate
My guess is 95%, error is how much I am off, so 95%-98% = 3% is what I am off, or the error. Is that ok?
anonymous
  • anonymous
im confused?
anonymous
  • anonymous
im sorry
mathmate
  • mathmate
* -3% and error percentage is error/actual=-3%/98%=3%
anonymous
  • anonymous
ohhhh okay! got what you mean! :)
mathmate
  • mathmate
@KayleeMullins So is that clear to you what is error, and what is actual value ("true")?
anonymous
  • anonymous
Yes :)
mathmate
  • mathmate
Let's get back to the question. What is error, and what is the true value?
anonymous
  • anonymous
the error is 10 square and the true value is 9.5?
anonymous
  • anonymous
0.5
anonymous
  • anonymous
But i do understand what you trying to say @mathmate :)
mathmate
  • mathmate
and the true value?
mathmate
  • mathmate
Well, perhaps you're busy, or perhaps you got the answer one way or another. It doesn't look like you need my help any more. Good luck!

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