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Papessa [141]
3 years ago
15

Line segment BD is a diameter of circle E.

Mathematics
2 answers:
alexgriva [62]3 years ago
7 0

Answer:

B- 78

Step-by-step explanation:

Took the test

Tasya [4]3 years ago
4 0

Answer:

78

Step-by-step explanation:

did test on edg

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A Gallup Poll used telephone interviews to survey a sample of 1030 U.S. residents over the age of 18 regarding their use of cred
Vlada [557]

Answer:

The 95% margin of error for this estimate is 0.0274 = 2.74 percentage points.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

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The margin of error is:

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95% confidence level

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