A survey has a margin error of +/– 5%. In the survey, 91 out of 100 people said that they were pleased with their phone service.
The phone company has 8000 customers. What is the range of the number of people that are satisfied?
1 answer:
6916 to 7644
Hope that helped!
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<span>area of square = pi r^2
3.14 * 13 *13
=530.66
=531
A</span>
V=1/3πr^2h
d=3.6 in.
r=1.8 in.
V=1/3×π×1.8^2×3
V≈10.1736 cubic inches. As a result, the volume of the funnel is 10.1736 cubic inches. Hope it help!
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