Translate the statement into a confidence interval. Approximate the level of confidence.In a survey of 3327 adults in a country, 41% believe the economy is getting better. Three weeks prior to this survey, 59% believed that the economy was getting better. The survey's margin of error is ±1%.Use the results from the newer survey.The confidence interval for the proportion is ( D(Round to three decimal places as needed.)

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Answered: Translate the statement into a…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (3.0,4.4) when estimating the mean height (in centimeters) of a sample of seedlings. Question content area bottom Part 1 The estimated margin of error is enter your response here .
The values in the middle of a confidence interval are more likely to be the true value for the parameter than the values near the edges of the interval. True or False
Get an education: In 2012 the General Social Survey asked 844 adults how many years of education they had. The sample mean was 8.54 years with a standard deviation of 8.58 years.
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A store manager reports a confidence interval of (46.7,78.3) when estimating the mean price (in dollars) for the population of textbooks. The estimated margin of error is (Type an integer or a decimal.) The sample mean is (Type an integer or a decimal.)
Fill in the blank. The procedure for constructing a confidence interval about a mean is ______ , which means minor departures from normality do not affect the accuracy of the interval.
Construct a confidence interval of the population proportion at the given level of confidence. x=120, n=1200, 96% confidence What is the lower bound of confidence? What is the higher bound of confidence?
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A biologist reports a confidence interval of (3.9,5.5) when estimating the mean height (in centimeters) of a sample of seedlings. Question content area bottom Part 1 The estimated margin of error is enter your response here .
Find an example of a confidence interval for a proportion in the media or scholarly literature (do not use a statistics textbook or website/article that is teaching or demonstrating statistics to find the example).At the very least it must include either the lower and upper bounds or a point estimate with a margin of error.Make sure you have a Proportion confidence interval and NOT a CI for the mean, odds ratio, hazard ratio, or relative risk as these will result in having to REDO the assignment(a) Include a digital photo/screenshot of the original appearance of the confidence interval and a link to the website (or citation) where it can be found. (b) Write the confidence interval in the form (lower bound, upper bound). If there are multiple confidence intervals, just pick one. (c) State the population parameter this confidence interval is trying to estimate. (d) State the confidence level and sample size. If no confidence level is given assume it is 95%95%. (e) Use the point…
Explain what happens when finding the margin of error if all stays the sameexcept that the confidence interval increases.
Use the confidence interval to find the estimated margin of error. Then find the sample mean. A store manager reports a confidence interval of (41.6,81.0) when estimating the mean price (in dollars) for the population of textbooks. The estimated margin of error is enter your response here. (Type an integer or a decimal.)
Use the confidence interval to find the estimated margin of error. Then find the sample mean. ← A store manager reports a confidence interval of (46.4,81.4) when estimating the mean price (in dollars) for the population of textbooks. The estimated margin of error is (Type an integer or a decimal.) The sample mean is (Type an integer or a decimal.) a

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