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Juli2301 [7.4K]
3 years ago
10

Bill measures the circumference of a circular fish pond to be 28 ft.

Mathematics
2 answers:
-Dominant- [34]3 years ago
5 0
9ft? to get the circumference, we multiply the diameter to pi, so all we need to do is divide 28 ÷ π<span>, and round.</span>

son4ous [18]3 years ago
5 0
9ft because to get circumference you multiply by π (pi or 3.14) so to get circumference you just do it the other way around like: 28 ➗π (3.14) = 8.91710... Which rounds to 9. So, the diameter is 9ft. I hope I helped and just message me if you need anything else!
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3. if the level of significance is 0.05 or between  0.05 and 0.01, i.e. the confidence level is 95% or  between 95% and 99%, the results are considered  to be probably significant, i.e. the results  are probably correct,

therefore, the alternative hypothesis is correct

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