A political candidate has asked you to conduct a poll to determine what percentage of people support her. If the candidate only wants a 4% margin of error at a 95% confidence level, what size of sample is needed? Give your answer in whole people. 600

Q: political candidate has asked you to conduct a poll to determine what percentage of people support…

A: Given that ; Margin of error (E) = 5%  Confidence interval = 95 % The formula to calculate the…

Q: Select the best response. Paired sample t-test focuses on data in the: A. first score in the pair…

A: In paired t test, means of two related groups are compared.

Q: A magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

A: The results from a poll of 2000 adults who are asked to identify their favorite pie among them 12%…

Q: How to determine if a sample is small or large? In my homework, the sample size is 66. The answer in…

A: Note: Hey there! Thank you for posting the question! Sometimes a sample cannot be determined as a…

Q: Exhibit-C. An insurance company selected samples of clients under 18 years of age and over 18 and…

A: It is given that: "Under age of 18" group:n1 sample size=500x1 No. of accidents=180"Over age of 18"…

Q: 31 of 48% is what?

A: 31 of 48%

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Solution

Q: Consider any survey.  If you want to be specific, think about polling people if they prefer Coke or…

A:

Q: According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes…

A: (3) Determine whether the normal approximation can be used with the given distribution or not?…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: We'd like to know the percentage of people living in California who owns a cell phone. How many…

A: It is given that margin of error (E) is 0.04 and the confidence level is 0.95.

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: When 3,011 adults were surveyed in a Pew Research Center poll, 73% said that they use the internet.…

A: n = 3011 smaple proportion = 0.73 population proportion = 0.75

Q: Add an airport 77% of recent flights have arrived on time. Hey sample of 11 flights is studied. What…

A: Given Information: 77% of recent flights have arrived on time. Sample size n=11 To find the mean…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Suppose p is the true population proportion of air passengers who prefer aisle seats.

Q: An ice hockey team is considering changing their team name and mascot and would like to measure city…

A: Voluntary response sampling means samples are self chosen. Which means people are volunteered to…

Q: A recent poll of 1500 new home buyers found that 60% hired a moving company to help them move to…

A: Here n = 1500. Let P = Sample proportion = 0.6 or 60% Now since n is very large and n*P > 10,…

Q: poll, the proportion of people who like dark chocolate more than milk chocolate was 34% with a…

A:

Q: ou are the operations manager for an airline and you are considering a higher fare level for…

A: Zα/2 =1.96 (at α= 0.05)   Use Excel function =NORMSINV(0.025) = 1.96

Q: A substitute teacher wants to know how students in the class did on their last test. He asks only…

A: Step 1 The sample is 10 students sitting in the front row as the teacher asked only those 10…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: A political candidate has asked you to conduct a poll to determine what percentage of people support…

A: Given that, Margin of error = 3% = 0.03 99% confidence level