For a population with a proportion equal to 0.31​,calculate the standard error of the proportion for the following sample sizes.   ​a) 45 ​b) 90 ​c) 13

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A: Solution: a. From the given information, p=0.60 and E=0.03. The confidence level is 0.95.

Q: Regarding a sample proportion: a. What is it?b. What symbol is used for it?

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Q: For a population with a proportion equal to 0.32, calculate the standard error of the proportion for…

A: Solution-:Given: P=0.32 we want to calculate the standard error of the proportion for the following…

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Q: Find the population mean or sample mean as indicated. Population: 6, 9, 2, 12, 13, 24 A) x = 12 B) =…

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Q: size is 200,if the relative of frequency of class (A) is 0.22 , Then , the frequency of class (A)

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Q: For a population with a mean equal to 250 and a standard deviation equal to 30, calculate the…

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A: Given,Margin of error(E)=0.05α=1-0.90=0.1α2=0.05Z0.05=1.645

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Q: Consider these sample​ data: x1=15​, x2=9​, x3=3​, x4=22.   a. Find n.        b. Compute ∑xi.…

A: Given : x1=15​, x2=9​, x3=3​, x4=22.