voters revealed that only 39% actually voted in the last primary election. We are interested in the population proportion of registered voters who actually voted in the last primary election. Determine the margin of error (error bound) for a 92% confidence interval for the true proportion of registered voters who actually voted in the last primary.

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A: Given data,p=37%=0.37E=2%=0.02z-value at 95% confidence is Zc=1.96n=?

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

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Q: A poll of 1,600 voters in one district showed that 56​% of them would favor stricter gun control…

A: In this case, the confidence level is 95%. The 95% confidence interval for the population proportion…

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A: We have to find margin of error.

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A: The question is about confidence interval.Given :No. of voters in a poll ( n ) = 1300No. of voters…

Q: A 99% confidence interval for the population proportion is ( D (Round to three decimal places as…

A:

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A: For 90% confidence interval with 7% margin of error we have to find the required sample size .

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

A: Assume p-hat as 0.5, since no preliminary estimate is available.

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A: Given, In a survey of 2313 adults, 714 say they believe in UFOs. n=2313 x=714 Sample proportion:…

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A: E have to find point estimate with with confidance interval..

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A: It is given that the estimated prevalence is 24%.

Q: The 90% confidence interval is from to. (Round to three decimal places as needed.)

A: A poll of 1030 adults in a country was conducted by telephone. Of those surveyed, 139 had…

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A: Obtain the 90% confidence interval for the percentage of all Americans who fall asleep on their…

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Q: Form 90%, 95%, and 99% confidence intervals for the proportion of voters who favor the candidate.…

A: Given that Sample size n = 1000 Number of respondents favor the candidate, X = 214 The critical…

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A: p^ = 59% = 0.59Sample size = 24086% confidence level

Q: 324 out of a simple random sample of 400 students hated their online math course. Find a 99%…

A: Given: Number of students that hated the online math course (y) = 324 Number of students (n) = 400…

Q: When 290 college students are randomly surveyed, it is found that 120 own a car. Find a 99%…

A: Given that, x=120,n=290 The sample proportion is, Critical values: By using the standard normal…

Q: when 282 college students are randomly selected and surveyed, it is found that 109 own a car. find a…

A: It is given that sample size (n) is 282 and x is 109.

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

A: From the provided information, Margin of error (E) = 7% that is 0.07 Confidence level = 98% Assuming…

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

A: Assume p-cap as 0.5 because no preliminary estimate is available.

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A:

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

A: Here, there is no information about the population parameter. Hence, use the conservative estimate…

Q: When 328 college students are randomly selected and surveyed, it is found that 122 own a car. Find…

A: We want to find 95% CI for population proportion (p)

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

A: Given Information:  Margin of error (e) = 10%  Confidence level = 90%  The z score at 90% confidence…

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A: Let the population proportion of women who bought compact cars be P Given:         Sample size n =…

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

A: From the given information,   Margin error = 0.06 Assume Sample proportion = 0.5   Critical value:…

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Q: Construct a 95% confidence interval for the proportion of college students who say they own their…

A: Given : n=410 , X=155  , α=0.05 We want to find the 95% confidence interval for the proportion of…

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

A: