Find the volume of a right cone if the radius of the base is 4ft and the height is 10ft.
2 answers:
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Answer:
<h2>Check the explanation.</h2>Step-by-step explanation:
Let, the total population is 1000.
The number of republicans are 26% that is 260, Democrats are 63% that is 630 and Independents are 11% of 1000, that is 110.
20% of 260 = Republicans favor some type of corporate tax reform.
51% of 630 = .
29% of 110 = .
Total number of people, who favor some type of corporate tax is (52 + 321.3 + 31.9) = 404.2 ≅404.
The required probability is .
Answer:
C.I = 0.108 ± 0.022
Step-by-step explanation:
In this case, we are given a symmetric confidence interval, and the sample proportion p', is derived by finding the average of the two values.
Therefore, the sample proportion will be:
= 0.108
p' = 0.108
To find the margin of error, we have:
M.E = ½ * length of confidence interval
Where length of confidence interval = 0.130 - 0.086
= 0.044
Therefore,
Margin of error = 0.022
The confidence interval is expressed as:
p' ± M.E
= 0.108 ± 0.022