Tom wants to estimate the percentage of students who live more than 3 miles from the school.He wants to create a 95% confidence interval which has a margin of error of at most 3% .How many students must be polled to create the confidence interval?

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Q: You may need to use the appropriate appenda table or technology to answer this question. 95%%

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A: Formula for calculating confidence interval is  Confidence Interval=p∧±z*p∧(1-p∧)n

Q: How large a sample should be selected to provide a 95% confidence interval with a margin of error of…

A: Confidence interval is the range in which you expect the value of your estimate to lie. Confidence…

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A: The information given as follows:- Margin of error = 0.012 proportion = 0.8

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A: The outliers don't influence the median value. This bodes well in light of the fact that the median…

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Q: 1. What is a confidence interval? 2. What is a confidence coefficient? 3. What do statisticians mean…

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A:

Q: MRS = 1/2x1 , so x1 =  1.25 and x2 =  1.5 Confirm Thanks

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Q: If confidence level is 92% Find level of signifcance alpha

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A: * ANSWER :-    From the given information the answer is provided as below

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Q: Determine the sample size needed to construct a 95% confidence interval to estimate the population…

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Q: Determine the sample size needed to construct a 90% confidence interval to estimate the population…

A: As we know margin of error = Z p(1-p)nwhere p is population proportionn is sample sizeZ is standard…

Q: (Ch8) True or False? With a given sample, when we lower the confidence level, it will reduce the…

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