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Verizon [17]
3 years ago
11

Express the confidence interval 0.866 ± 0.037 in open interval form (i.e., (0.155,0.855)).​

Mathematics
1 answer:
Nostrana [21]3 years ago
5 0

Answer: (0.829, 0.903)

Step-by-step explanation:

We know that a\pm b=(a-b,\ a+b)    (1)

The given confidence interval : 0.866 ± 0.037

To express the given confidence interval in open interval form , we split the given expression as :

0.866 \pm 0.037 \\\\=(0.866-0.037,\ 0.866+0.037)\ \ \text{[By using (1)]}\\\\=(0.829,\ 0.903)

Therefore, the confidence interval in open interval form would be (0.829, 0.903)  .

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Given:

A figure of a parallelogram.

The vertex angles are (12b+8)^\circ,(5b+2)^\circ,2a^\circ.

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We know that the pairs of consecutive angles of a parallelogram are supplementary angles. It mean their sum is 180 degrees.

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