SOLUTION: Express the confidence interval 18.3 % ± 7.3 % in the form of a trilinear inequality. please and thank you Ive tried millions of ways for help

Algebra ->  Probability-and-statistics -> SOLUTION: Express the confidence interval 18.3 % ± 7.3 % in the form of a trilinear inequality. please and thank you Ive tried millions of ways for help      Log On


   

Question 1180084: Express the confidence interval
18.3
%
±
7.3
%
in the form of a trilinear inequality.
please and thank you Ive tried millions of ways for help
Found 2 solutions by Theo, ikleyn:
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
i think it's going to be (18.3 - 7.3) <= x <= (18.3 + 7.3)

simplify that to get:

11 <= x <= 25.6

your confidence interval would go from 11 to 25.6.


Answer by ikleyn(52914) About Me  (Show Source):
You can put this solution on YOUR website!
.

        PLEASE do not post in this format.


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