A random sample of 1900 workers in a particular city found 874 workers who had full health insurance coverage. Find a 95% confidence interval for the true percent of workers in this city who have full health insurance coverage. Express your results to the nearest hundredth of a percent.. Answer: to

Q: People were polled on how many books they read the previous year. How many subjects are needed to…

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Q: Use the given confidence interval to find the margin of error and the sample mean. .734, .760

A: From the given information, the confidence interval is (0.734, 0.760). It can be expressed in,

Q: In a recent poll, 410 people were asked if they liked dogs, and 85% said they did. Find the margin…

A: Given that, p^=0.85n=410 Critical value: By using the z-tables, the critical value at 1% level of…

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

A: It is given that, the number of respondents said yes (x) is 587 and the sample size (n) is 912.  The…

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

A: Given: n= 1031 ,x= 545 need to find point estimation for p.

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

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Q: In a​ poll, 51​% of the people polled answered yes to the question​ "Are you in favor of the death…

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

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Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the poll,…

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Q: B. Find the margin error that corresponds to the given statistics and confidence level. n = 150, p =…

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Q: A new fertilizer was applied to the soil of 199 bean plants. 48% showed increased growth. Find the…

A: Margin of error for proportion is given by, MOE= z*√pq/n Where P Is proportion and Q= 1-P n is…

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll,…

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Q: A researcher would like to know the proportion of the households that has a cable subscription. She…

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Q: A poll of 657 home sellers found that 29.8% were trying to sell their home without a real estate…

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

A: Margin of error can be calculated as shown below.

Q: Educational Television In a random sample of 205 people, 143 said that they watched educational…

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

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Q: In a recent poll, 500 people were asked if they liked dogs, and 54% said they did. Find the margin…

A: Here we need to find the Margin of error corresponding to 95% confidence level.

Q: one with a 95% confidence level and the other with a 99.7% confidence level. Which interval is…

A: Confidence interval is probability, which refers that population parameter will fall within set of…

Q: A poll of 1103 home sellers found that 29.8% were trying to sell their home without a real estate…

A: Given,sample size(n)=1103sample proportion(p^)=0.298margin of error(E)=0.027

Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the​ poll,…

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Q: In a recent poll, 600 people were asked if they liked dogs, and 58% said they did. Find the margin…

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Q: In a recent polI, 200 people were asked if they liked dogs, and 15% said they did. Find the margin…

A: From the provided information, Sample size (n) = 200 15% people said they like dogs that is p̂ =…

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

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Q: In a recent poll, 300 people were asked if they liked dogs, and 73% said they did. Find the margin…

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Q: n a recent poll, 330 people were asked if they liked dogs, and 30% said they did. Find the margin of…

A: given data, n=330p=0.30CI=0.99α=1-0.99=0.01ME=?

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

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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: Suppose you calculate a 95% confidence interval for a proportion to to be: 0.39 to 0.78. Determine…

A: Given,   Lower bound = 0.39​ Upper bound = 0.78   Here, we use to determine the margin of error.

Q: In a recent poll, 250 people were asked if they liked dogs, and 21% said they did. Find the margin…

A: Sample size=n=250P=21%=0.2195% of confidence interval is

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

A: Sample size n=972 Number of successes x=577 Confidence level 99%

Q: In a survey of 2273 adults, 709 say they believe in UFOs. Construct a 95% confidence interval for…

A: Answer:- Given, Sample size, n = 2273 Number of successes on sample, x = 709Confidence level, C =…

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

A: We have given that in the poll, n = 1078, x = 507 Best point estimate of population proportion p =…

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

A: Given, The best sample proportion is,

Q: In a recent poll, 530 people were asked if they liked dogs, and 95% said they did. Find the margin…

A: Given, n=530 p=0.95 Confidence level = 0.95 Critical value for 95% confidence level is 1.96.

Q: A new fertilizer was applied to the soil of 123 bean plants. 85% showed increased growth. Find the…

A: Find z-critical value: For the two-tail test, Area on each tail. Area to the left of the normal…

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

A: a) The best point estimate of the population proportion is obtained below: From the given…

Q: a, d,

A: Provided information is, about 56% of all customers will take free samples. Furthermore who takes…

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

A: Solution: From the given information, x=548 and n=931.

Q: In a survey of 2345 ​adults, 729 say they believe in UFOs.   Construct a 90 % confidence interval…

A: Given information- Sample size, n = 2345 We have given that out of 2345 adults 729 says they believe…

Q: Use the sample data and confidence level given below.   A research institute poll asked respondents…

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.