For a poll in which n = 2518 and x = 1083, use a 90% confidence level a) Find the best point estimate of population proportion p̂ = x/n b) Find the margin of error E c) Construct a Confidence Interval (p̂ is the p with an up caret symbol (^) that is used for statistics) PLEASE SHOW ALL WORK!!!

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Q: f n = 243 and ˆpp^ = 0.267, construct a 95% confidence interval. Give your answers to three…

A: Given, (1-α)100% = 95%  α= 0.05 Zα2 =Z0.025  = 1.96 Using Excel function=NORMSINV(0.025)

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Q: If n=280 and ˆpp^ (p-hat) = 0.39, construct a 95% confidence interval. Give your answers to three…

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Q: If n=330 and (p-hat)=0.62, find the margin of error at 95% confidence level  Give your answer to…

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Q: If n = 560 and ˆpp^ (p-hat) = 0.25, construct a 99% confidence interval.

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Q: If n = 140 and ˆpp^ = 0.25, construct a 99% confidence interval.Give your answers to three decimals

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Q: Use the given confidence interval to find the margin of error and the sample mean. (12.3,20 5) The…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.