- 5 Vo Nc A Line Question Tu A Political Candidate Has Asked You To Conduct A Poll To Determine What Percentage Of Peop 1 (262.62 KiB) Viewed 38 times
5 VO nc a... line Question TU A political candidate has asked you to conduct a poll to determine what percentage of people support her. Give your answer as a whole number. If the candidate only wants a 2% margin of error at a 95% confidence level, what is the sample size that is needed? Question Help: Video Written Example Submit Question Question 17 n= נע קוסם Question Help: Video Submit Question 99 Delalls You want to obtain a sample to estimate the proportion in the population who support gun control. Based on previous evidence, you believe the population proportion is approximately 23 %. You would like to be 99.9% confident that your estimate is within 5% of the true population proportion. How large of a sample size is required? Do not round mid-calculation. However, use a critical value accurate to three decimal places. Question 18 0/1 pt 399 O Details n= 0/1 pt 399 Details An environmental science teacher at a high school with a large population of students wanted to estimate the proportion of students at the school who regularly recycle plastic bottles. The teacher selected a random sample of students and was asked to respond yes or no to the following question: Do you regularly recycle plastic bottles? Based on the responses, a 95 percent confidence interval for the proportion of all students at the school who would respond yes to the question was calculated with a margin of error of ± 3.5%. How many students were in the sample selected by the environmental science teacher?