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An 80% confidence interval for a proportion is found to be (0.12, 0.18). Whatis the sample proportion?
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An 80% confidence interval for a proportion is found to be (0.12, 0.18). Whatis the sample proportion?

An 80% confidence interval for a proportion is found to be (0.12, 0.18). Whatis the-example-1
User Brimby
by
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1 Answer

1 vote

Solution

- To find the sample proportion, we simply take the average of both endpoints of the confidence interval.

- That is,


(0.12+0.18)/(2)=(0.3)/(2)=0.15

Final Answer

The answer is OPTION C

User Vincent Ducroquet
by
4.5k points
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