In a recent poll, 240 people were asked if they liked dogs, and 32% said they did. Find the margin of error of this poll, at the 95% confidence level.

Q: In a recent poll, 360 people were asked if they liked dogs, and 92% said they did. Find the margin…

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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: In a telephone survey of 1100 adults, 740 adults expressed concern about the future health of social…

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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…

A:

Q: The newspaper conducted a survey and asked some of the city's voters which candidate they preferred…

A: For the given confidence interval, the margin of error, E is:

Q: In a recent poll, 410 people were asked if they liked dogs, and 87% said they did. Find the margin…

A: From the Standard Normal Table, the z value for 99% is 2.576.

Q: In a recent poll, 360 people were asked if they liked dogs, and 74% said they did. Find the margin…

A: Critical value: The value of α is 0.10 for 90% confidence level. Using excel formula…

Q: In a recent poll, 280 people were asked if they liked dogs, and 51% said they did. Find the margin…

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Q: In a recent poll, 340 people were asked if they liked dogs, and 31% said they did. Find the margin…

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Q: In a recent poll, 500 people were asked if they liked dogs, and 92% said they did. Find the margin…

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Q: In a recent poll, 300 people were asked if they liked dogs, and 89% said they did. Find the margin…

A: Solution: From the given information, p-hat=0.89 and n=300.

Q: If n = 590 and ˆp=0.48, find the margin of error at a 99% confidence level E=

A: If n = 590 and ˆp=0.48, find the margin of error at a 99% confidence level

Q: In a recent poll, 550 people were asked if they liked dogs, and 10% said they did. Find the margin…

A: Givensample size(n)=550p^=10%=0.10confidence level=99%

Q: In a recent poll, 530 people were asked if they liked dogs, and 81% said they did. Find the margin…

A: It is given that the value of n is 530, p hat is 0.81 and the confidence level is 0.99. Now,…

Q: If n=330 and p (p-hat) =0.92, find the margin of error at a 99% confidence level Give your answer to…

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Q: In a recent poll, 120 people were asked if they liked dogs, and 29% said they did. Find the margin…

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

A: The formula for the sample size is as follows: Here, zα/2 is the critical value at 99% confidence…

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

A: The following information has been provided: p^=0.51E=0.03 The level of significance is : α=1-0.94…

Q: In a sample of 300 people, 154 said that they watched news on television. Find the 90% confidence…

A: According to the given information in this question We need to find the 90% confidence interval of…

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

A: (a). Find the best point estimate of the population proportion p: It is given that, in a poll of n =…

Q: a research poll institute asked respondents if they fet vulnerable to identify theft. in the poll,…

A: Given Data: n=1002 x=595 α=0.05   Calculating the sample proportion p⏜=xn=5951002=0.5938 As n is…

Q: In a recent poll, 150 people were asked if they liked dogs, and 88% said they did. Find the margin…

A: Given Sample size=n=150 Sample proportion=p^=0.88 Confidence interval=99%

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: If n=320 and ˆpp^ (p-hat) =0.26, find the margin of error at a 95% confidence level

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Q: in a recent poll, 220 people were asked if they liked dogs, and 36% said they did . find the margin…

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Q: n a recent poll, 500 people were asked if they liked dogs, and 92% said they did. Find the margin of…

A: Given data, n=500 p=92%=0.92 Z value at 90% confidence is Zc=1.645 margin of error(E)=?

Q: If n=130 and ôp (p-hat) =0.93, find the margin of error at a 99% confidence level Give your answer…

A: Here, the margin of error for proportion p^ is to be calculated. The formula is given by, z*p^1-p^n,…

Q: In a recent poll, 289 people were asked if they liked dogs, and 17% said they did. Find the margin…

A: Let X be the number of people who liked dogs Given: Number of people or sample size (n) = 289…

Q: In a recent poll, 260 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Find z-critical value:…

Q: In a previous election, the confidence interval for the proportion of likely voters who would vote…

A: given;confidence interval for the proportion;(0.4401, 0.5199)i.e. (p^-E, p^+E)where  p^ : point…

Q: If n=570 and ˆpp^ (p-hat) =0.8, find the margin of error at a 95% confidence level

A: given that, n = 570 p^=0.8 confidence level = 95%

Q: In a recent poll, 170 people were asked if they liked dogs, and 24% said they did. Find the margin…

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Q: In a recent poll, 430 people were asked if they liked dogs, and 54% said they did. Find the margin…

A: In a recent poll, 430 people were asked if they liked dogs, and 54% said they did. Find the margin…

Q: 3. Aresearcher wants to estimate the daily expenses of college students. He wants a 99% confidence…

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Q: Use the confidence interval to find the margin of error and the sample mean.   (.364,0.500)

A:

Q: If n=570 and ˆpp^ (p-hat) =0.89, find the margin of error at a 95% confidence levelGive your answer…

A: It is given that the value of n is 570, p hat is 0.89 and the confidence level is 0.95.Here,

Q: Michelle, a student studying music, randomly sampled fellow music majors and asked whether they…

A: Given information- Confidence interval = (0.09, 0.26) We have to find margin of error. We know that-…

Q: In a recent poll, 500 people were asked if they liked dogs, and 94% said they did. Find the margin…

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Q: In a recent poll, 500 people were asked if they liked dogs, and 72% said they did. Find the margin…

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Q: In a recent poll, 100 people were asked if they liked dogs, and 90% said they did. Find the margin…

A: Obtain the margin of error at the 95% confidence level. The margin of error is obtained below as…

Q: In a recent poll, 590 people

A: Given that the sample size is 590 and p=95%=0.95 Given confidence level is 90% Significance level is…

Q: If 390 people were asked if they liked dogs, and 82% said they did What is the margin of error of…

A: The sample size is 390, proportion is 0.82. Computation of critical value:…

Q: In a recent poll 240 people were asked if they like dogs and 75% said they did.  find the margin of…

A: Given :  Sample size = n = 240  sample proportion =  The Margin of Error (ME) is calculated…

Q: In a recent poll, 230 people were asked if they liked dogs, and 46% said they did. Find the margin…

A: We have given that,  Sample size (N) = 230 and sample proportion     (p̂) = 46% = 0.46  and…

Q: In a recent poll, 210 people were asked if they liked dogs, and 59% said they did. Find the margin…

A: Find z-critical value:…

Q: In a​ poll, 69​% of the people polled answered yes to the question​ "Are you in favor of the death…

A: Given: Margin of errorE=0.02 Proportion of people who polled yes p^=0.69 The z value corresponding…

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

A: Given, The sample proportion is,

Q: In a recent poll, 490 people were asked if they liked dogs, and 8% said they did. Find the margin of…

A: From the provided information, Sample size (n) = 490 Confidence level = 99% 8% said they like dogs…

Q: In a recent poll, 400 people were asked if they liked dogs, and 30% said they did. Find the margin…

A: Given: n =400 p=0.30 The value of z at a 99% confidence level is 2.58, which can be obtained by…

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.