_ e e e v 7 nicies Asimple random sample of 380 voters was polled several months before the presidential election. One of the questions asked was: \"Are you satisfied with the candidates' plans about boosting the U.S. economy?\" A total of 182 of them said that they were satisfied. Use the technology covered in the videos to construct a confidence interval for the propdron of voters who are satisfied with the candidates' plans about boosting the U.S. economy. Which distribution was used in this problem? 3 |Enter Z for normal distribution or T for t-distribution. What is the sample proportion? ' 3 Round to three decimal places. What is the margin of error you found? |Round to four decimal places. What is the standard error you found? | Round to four decimal places. | What is the lower bound of the confidence interval? Round to four decimal places. What is the upper bound of the confidence interval? V Round to four decimal places. | [ L Question 2 1 pts We plan to sample voters in order to construct a 90% confidence interval for the proportion who satisfied with the choice of presidential candidates. Sample data are not available. Estimate the sample size needed so that 2 90% confidence interval will have a margin of error of 0.03. Question 3 1pts In a simple random sample of 20 seniors from a certain high school, 6 of them have submitted at least one college applications. Construct a 95% confidence interval for the Proportion of seniors at that high school who have submitted at least one college applications. What is the lower bound of the confidence interval? | | Round to four decimal places. What is the upper bound of the confidence interval? | '!Round to four decimal places