SOLUTION: Express the confidence interval 0.235 ± 0.037 in open interval form (i.e., (0.155,0.855)).

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Question 1197538: Express the confidence interval
0.235
±
0.037
in open interval form (i.e., (0.155,0.855)).
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

If this is 0.235 ± 0.037,

Identity we use here:a ± b=a-b, a%2Bb

then it is (0.235-0.037, 0.235%2B0.037)=> (0.198, 0.272)