SOLUTION: One poll reported that the approval rating of the job performance of the President of the United States was 63%. The poll was said to be accurate to within 3.8%. What is the range
Algebra.Com
Question 215795: One poll reported that the approval rating of the job performance of the President of the United States was 63%. The poll was said to be accurate to within 3.8%. What is the range of actual approval ratings?
Found 2 solutions by checkley77, stanbon:
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
63+-3.8=59.2% to 66.8%
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
One poll reported that the approval rating of the job performance of the President of the United States was 63%. The poll was said to be accurate to within 3.8%. What is the range of actual approval ratings?
----------------------------------
|0.63-x|<= 0.038
-0.038 <= 0.63-x <= 0.038
---
-0.63-0.038 <= -x <= 0.038+0.63
-0.768 <= -x <= 0.768
-0.768 <= x <= 0.768
==================================
Cheers,
Stan H>
RELATED QUESTIONS
One poll reported that the approval rating of the job performance of the President of the (answered by Kimi R Rtichie)
all election poll reported that a candidate had the approval rating of 50% with a margin... (answered by stanbon)
An election poll reported that a candidate had an approval rating of 55% with a margin of (answered by ewatrrr)
An election poll reported that a candidate has an approval rating of 44% with a margin of (answered by ewatrrr)
an election poll reported that a candidate had an approval rating of 51% with a margin of (answered by stanbon)
a) A poll of 2,295 likely voters was conducted on the president’s performance.... (answered by Boreal)
A researcher is interested in conducting a poll on the President’s approval rating. A... (answered by ewatrrr)
A poll taken by a TV news organization reported a margin of error of 3.5
percentage... (answered by stanbon)
There are 100 Million eligible voters in the United States. The Gallup poll interviews... (answered by richwmiller)