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We know that a confidence interval for a population proportion is (0.22,0.40), with a margin of error of 0.09. What is the sample proportion, p ?
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We know that a confidence interval for a population proportion is (0.22,0.40), with a margin of error of 0.09.

What is the sample proportion, p ?

User Frida Schenker
by
8.2k points

1 Answer

4 votes
It will be 0.31.

P + 0.09 = 0.40
P - 0.09 = 0.22
Then P would equal 0.31 as 0.09 + 0.22 = 0.31, hope this helps :)) have a good day !
User Kkmishra
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8.4k points
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