Current Attempt in Progress What sample size is needed to give a margin of error within +11 in estimating a population mean with 95% confidence, assuming a previous sample had s = 113. Round your answer up to the nearest integer. sample size= Save for Later Attempts: 0 of 1 used Submit Answer

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A: When computing a 95% CI for a population we use two-tailed t value at 0.05.

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A: Given thatMargin of error (E) = 0.02 Confidence level (c) = 90% = 0.90Significance level (α) = 1 -…

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A: Given that  Margin of error =E =0.05 99.9% confidence level

Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

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Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

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Q: You want to obtain a sample to estimate a population proportion. At this point in time, you have no…

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Q: estimate the population proportion p,what is the minimum sample size we need in order to achieve a…

A: Solution: From the given information, confidence level is 0.95, p=0.1 and E=0.01.

Q: What sample size is needed to give a margin of error within ±1.5% in estimating a population…

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Q: You want to obtain a sample to estimate a population proportion. Based on previous evidence, you…

A: It is given that margin of error (E) is 0.035 and the confidence level is 95%.

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A: Assume that p is the population proportion.