Question 811812: I feel like I am missing the smallest step but i cannot get these right!. Help please, and THANK YOU!
{Express the confidence interval 28.7% +/-6.4% in interval form.
Enter in interval notation. Do not enter as a percent}
Answer by KMST(5328)   (Show Source):
You can put this solution on YOUR website! I suppose it is simply that you are expected to calculate
 and
I believe the expected answer is (22.3, 35.1) ,
and I believe the solution has to be entered in the solution box in that format,
without including the percent symbol.
Computers may be finicky about the format of the answers.
If you did not get specific instructions about accepted formats, you will have to guess.
The computer may accept (22.3, 35.1) , but not (22.3,35.1) , without the space.
(My youngest son did high school online, and often had to deal with that kind of guessing game).
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