A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the country. Out of 1066​respondents, 670 said it was a good thing. a. What percentage of those taking the poll said immigration was a good​ thing? b. Check the conditions to determine whether you can apply the CLT to find a confidence interval. c. Find a​ 95% confidence interval for the proportion who believe immigration is a good thing.

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A: GIVEN DATA,  n=971x=554P^=Xn=554971=0.5705CI=0.99α=1-0.99=0.01we have to find out the confidence…

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Q: A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

A: Define p as the true population proportion of adults in the country who think immigration is a good…

Q: Use the sample data and confidence level given below to complete parts  (c).   A research institute…

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A:

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A: We want to find the 90% confidence interval

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A: Confidence level -95%   Higher the confidence level, higher the width of the confidence interval.

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A:

Q: A student polls his school to see if students in the school district are for or against the new…

A: Given Data: x=293 n=359   p^=xn=293359=0.8162 Standard error=p^(1-p^)n=0.8162(1-0.8162)359=0.02044

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A: From the provided information Sample size (n) = 29, People who recommend x = 9 The sample proportion…

Q: A survey asked, "How important is it to you to buy products that are made in America?" Of the 600…

A: Given x=450 n=600

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A:

Q: Of 600 students sampled, 480 said they hoped to own a house someday. With 95% confidence, what is…

A: It is given that  Sample size, n = 600 Favourable cases, X = 4 Sample proportion, p^ = X/n  =…

Q: A national poll found that 684 people out of 1100 believe in UFO’s. Answer the following questions.…

A: Given data,Number of people n=1100People who believe in UFO is x=684Find the 94% confidence interval

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A:

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A: Confidence interval is an inference process which is used to estimate the population parameter. The…

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A: It is an important part of statistics . It is widely used .

Q: A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

A: Let, x denotes the adults who says immigration is good thing. Total respondents: n=1078 x=612

Q: What management interpretation would you give for a 95% confidence interval calculated for the mean?…

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Q: In a survey, people were asked whether they thought sun went around the planet Earth or vice versa.…

A: A survey was conducted with 1900 people to check whether they thought sum went around the planet…

Q: Use the sample data and confidence level given below to complete parts​ (a) through​ (d). A research…

A: The random variable X follows normal distribution. We have to construct 95% confidence interval.…

Q: A poll asked whether states should be allowed to conduct random drug tests on elected officials. Of…

A:

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A: The objective is to find the true statement from the given list.

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A: Given that  Margin of error =E=6.50%=0.0650 99% confidence.

Q: Refer to the accompanying data set of 20 randomly selected presidents. Treat the data as a sample…

A: The provided information is as follows:The sample size for each sample is .The level of confidence…

Q: In a survey of 3089 adults aged 57 through 85 years, it was found that 88.5% of them used at least…

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Q: poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

A: A poll asked adults in a certain country whether immigration was a good thing or a bad thing for the…

Q: 1. A university health services physician is concerned about how much sleep freshman are getting.…

A: since parameter is proportion here, we use one same proportion confidence interval.

Q: ement below is the best explanation? ere is 90% confidence that 21% of the adult citizens of the…

A: Given n=2500 Pcap=0.21 ME=0.044 Alpha=1-0.90=0.10 90% confidence level

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Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Given Data Sample Size, n = 992 Number of successes, x = 581.0 confidence level,c=…

Q: In a poll, 1200 adults in a region were asked about their online vs. in-store clothes shopping. One…

A: Note: According to Bartleby expert guidelines, we can answer only first question with their three…

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A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only…

Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…

A: Given; x=561n=935The level of significance is;α=1-0.95=0.05 (a) The best point estimate of the…

Q: Construct and interpret a 95% confidence interval

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A: sample size(n)=100No. of people received orders(x)=12