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Q: Assume that a sample is used to estimate a population proportion p. Find the 80% confidence interval...

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Q: If n = 530 and X = 424, construct a 99% confidence interval for the population proportion, p.Give yo...

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A: Given information Error = 2% = 0.02 Confidence level = 0.95

Q: Express the confidence interval (13%,21.8%) in the form of ˆp±Ep^±E.

A: Solution: From the given information, the confidence interval for the proportion is (13%, 21.8%). Th...

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Assume that a sample is used to estimate a population proportion p. Find the 99% confidence interval for a sample of size 356 with 57% successes. Enter your answer as an open-interval (i.e., parentheses) using decimals (not percents) accurate to three decimal places. C.I. =