Done 6 myopenmath.com AA Chapter 7.1 Homework Score: 3/11 3/11 answered Progress saved Done (3) wlc. 0 Question 4 v l3 0/1 pt '0 3 8 99 G) Details A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 5% margin of error at a 90% confidence level, what size of sample is needed? Give your answer in whole people. Question Help: 8 Message instructor Submit Question 10:28 Done myopenmath.com AA C Chapter 7.1 Homework Score: 3/11 3/11 answered Progress saved Done & Vo . . . Question 6 l3 0/1 pt '0 3 8 99 G) Details Express the confidence interval (9.1 % , 20.9 % ) in the form of :|: ME. Question Help: Video 8 Message instructor Submit Question Done 8 myopenmath.com AA 6 Chapter 7.1 Homework Score: 3/11 3/11 answered Progress saved Done (3) wlc. 0 Question 8 v l3 0/1 pt '0 3 8 99 G) Details You want to obtain a sample to estimate a population proportion. At this point in time, you have no reasonable estimate for the population proportion. You would like to be 98% confident that your estimate is within 1.5% of the true population proportion. How large of a sample size is required? Do not round mid-calculation. However, use of a critical value rounded to three decimal places will suffice. Question Help: 8 Message instructor Submit Question Done 3 myopenmath.com AA G Chapter 7.1 Homework Score: 3/11 3/11 answered Progress saved Done (a) 'l/EC. 0 Question 9 v E 0/1 pt '0 3 8 99 G) Details 4 H Out of 500 people sampled, 145 preferred Candidate A. Based on this, estimate what proportion of the voting population (7r) prefers Candidate A. Use a 90% confidence level, and give your answers as decimals, to three places. l: Question Help: 8 Message instructor l3 0/1 pt '0 3 8 99 G) Details In a recent poll, 170 people were asked if they liked dogs, and 24% said they did. Find the margin of error of this poll, at the 95% confidence level. Give your answer to three decimals Question Help: Video 8 Message instructor Submit Question Done 8 myopenmath.com AA 6 Chapter 7.1 Homework Score: 3/11 3/11 answered Progress saved Done (3) wlc. 0 Question 7 v l3 0/1 pt '0 3 8 99 G) Details You want to obtain a sample to estimate the proportion of a population that possess a particular genetic marker. Based on previous evidence, you believe approximately 19* : 12 % of the population have the genetic marker. You would like to be 90% confident that your estimate is within 2.5% of the true population proportion. How large of a sample size is required? Do not round mid-calculation. However, you may use a critical value accurate to three decimal places. Question Help: 8 Message instructor Submit Question Done 6 myopenmath.com AA 6 Chapter 7.1 Homework Score: 3/11 3/11 answered Progress saved Done (3) wlc. 0 Question 10 V 80/1 pt '0 3 8 99 G) Details A student was asked to find a 90% confidence interval for the proportion of students who take notes using data from a random sample of size n = 82. Which of the following is a correct interpretation of the interval 0.14