MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Assume k=33 and n=100. What is the standard error (SE) for the confidence interval? (Go to 4 decimal places. Note that Canvas will round trailing zeroes, so don't worry if these disappear from your solution.)
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- suppose that you take 1000 simple random samples from a population and that, for each sample, you obtain a 95% confidence interval for an unknown parameter. Approximately how many of those confidence intervals will continue the value of the unknown parameter?arrow_forwardIf n=13, 2(x-bar)=43, and s=4, find the margin of error at a 95% confidence level your answer to two decimal places. Givearrow_forwardWrite down the confidence interval formula for image 1 . Is the correct answer image 2?arrow_forward
- A set of 11 data pairs (x.y) were collected and were found to have a linear relationship given by: y = 3.04 x + 0.99 The Standard Error of the Fit for this equation is 0.755 and the confidence interval, CI, is written as: y = ax + b+ (e) Provide the value of the margin of error, e, at a confidence level of 95%. (Use 3 decimal places to express your answer).arrow_forwardThe width of the confidence interval (mu1 - mu2) increases as s1 and s2 increase. True or Falsearrow_forwardSuppose that you wanted to know if the percentage of people who will attend a sporting event this year will decrease. Last year, 43% of Americans attended a sporting event. After taking a sample, you attain a sample percentage of 18% with a margin of error of 3%. Construct a confidence interval and use that interval to determine if the number of Americans who will attend a sporting event has decreased. Show your calculation for the interval and then state your conclusion in complete sentences.arrow_forward
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