Out of 100 people sampled, 41 preferred Candidate A. Based on this, estimate what proportion of the voting population (p) prefers Candidate А. Use a 99% confidence level, and give your answers as decimals, to three places.
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A: Given Data: p=445/500=0.89 n=500 z-value corresponding to 90% Confidence =1.645
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Q: Out of 400 people sampled, 300 preferred Candidate A. Based on this, estimate what proportion of the…
A: Given that Out of 400 people sampled, 300 preferred Candidate A. Here x=300 n=400
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A: X = 546 N = 600 95% confidence level
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A: Suppose, p is the true proportion of the entire voting population, who prefers Candidate A.
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A: It is given that sample size (n) is 100 and x is 13.
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A: The sample size is The number of success (preferring candidate A) is .The level of confidence is
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A: Given that, p= 22% = 0.22 And sample size, n= 200
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- Out of 300 people sampled, 60 preferred Candidate A. Based on this, estimate what proportion of the voting population (p) prefers Candidate A. Use a 90% confidence level, and give your answers as decimals, to three places.Use the sample data and confidence level given below to complete parts (a) through (d). A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll, n=964 and x = 540 who said "yes." Use a 95% confidence level.A poll of 1200 people is taken. Find the margin of error assuming a 95% level of confidence.
- In a random sample of 100 parts ordered from vendor A, 12 were defective. In a random sample of 200 parts ordered from vendor B, 10 were defective. Estimate the proportion of parts from vendor A that are defective and find the uncertainty in the estimate. Estimate the proportion of parts from vendor B that are defective and find the uncertainty in the estimate.out of 300 people sampled, 261 preferred Candidate A. Based on this, estimate what proportion of the voting population (p) prefers Candidate A. Use a 99% confidence level, and give your answers as decimals, to three placesVO TE VORES VOTE Out of 600 people sampled, 468 preferred Candidate A. Based on this, estimate what proportion the voting population (p) prefers Candidate A. Use a 99% confidence level, and give your answers as decimals, to three places.A food company is planning to market a new kind of cereal; however before, they want to find the % of people who will like it. They select a random sample of 500 people and ask them to try the cereal. Of 500, 290 people say they like it. Compute the 95% cofidence interval for the % of the pop. that will like the cereal. Interept this cofidence interval.A poll of 1000 voters has Biden leading by 538 to 462. What will the pollster indicate as the "margin of error"?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. 600Out of 300 people sampled, 21 preferred Candidate A. Based on this, find a 99% confidence level for the true proportion of the voting population (p) prefers Candidate A. Give your answers as decimals, to three places.Out of 600 people sampled, 318 preferred Candidate A. Based on this, estimate what proportion of the voting population (p) prefers Candidate A. Use a 99% confidence level, and give your answers as decimals, to three places.Out of 500 people sampled, 115 preferred Candidate A. Based on this, estimate what proportion of the entire voting population (p) prefers Candidate A. Use a 90% confidence level, and give your answers as decimals, to three places.Recommended textbooks for youMATLAB: An Introduction with ApplicationsStatisticsISBN:9781119256830Author:Amos GilatPublisher:John Wiley & Sons Inc
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