In a recent poll, 170 people were asked if they liked dogs, and 24% said they did. Find the margin of error of this poll, at the 95% confidence level. Give your answer to three decimals

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: and ˆpp^ (p-hat) =0.52, find the margin of error at a 99% confidence level Give your answer to…

A: The margin of error can be calculated as: MOE=z×p^(1-p^)n

Q: In a recent poll, 460 people were asked if they liked dogs, and 94% said they did. Find the margin…

A: Ans - Given   P  =  94%    = 0.94,     The sample size  n = 460 people          95%  confidence…

Q: A poll asked respondents if they felt vulnerable to identify theft. In the poll, n= 1000 and x= 501…

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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: If n=550 and ˆpp^ (p-hat) =0.25, find the margin of error at a 99% confidence level Give your…

A: The margin of error = The margin of error (ME) expresses to the maximum expected differences between…

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: A television station surveys 200 customers and finds that 23% of customers watch the evening news.…

A: Given data n=200 p=23% confidence level=99%

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, 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: In a recent poll, 430 people were asked if they liked dogs, and 41% said they did. Find the margin…

A: It is given that the value of n is 430, p hat is 0.41 and the confidence level is 0.99.

Q: A poll of 350 people is taken and the confidence level is 90%. What is the margin of error (MOE)?…

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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: 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: a magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

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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, 150 people were asked if they liked dogs, and 55% 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: What happens to the margin of error if you increase the confidence level?

A: We know that, Margin of error=zσn

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

A: Given , n = 1008 x = 598

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: In a recent poll, 560 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Margin of error (E): The margin of error for proportion p is given by,

Q: In a recent poll, 260 people were asked if they liked dogs, and 67% said they did. Find the margin…

A: Given: p = 67%=0.67 n= 260 The value of z at a 90% confidence level is 1.645, which can be found by…

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: If n=270 and p (p-hat) =0.93, find the margin of error at a 90% confidence level Give your answer to…

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

A:

Q: A research institute poll asked respondents if they acted to annoy a bad driver. In the poll, n=2320…

A: The random variable percentage of people who said they honked follows binomial distribution. The…

Q: A television sports commentator wants to estimate the proportion of Americans who "follow…

A: The value of confidence level (CL) is 0.95.

Q: In a recent poll, 370 people were asked if they liked dogs, and 86% said they did. Find the Margin…

A: Given: n= 370 At 99.0 % confidence level , z score= 2.576 Need to find confidence interval for…

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

A: Given that: p= the probability of getting a person who answered yes to the question "Are you in…

Q: f n=300 and ˆpp^ (p-hat) =0.18, find the margin of error at a 99% confidence level Give your answer…

A:

Q: a magazine provided results from a poll of 2000 adults who were asked to identify their favorite…

A: Given Information: A magazine provided results from a poll of 2000 adults who were asked to identify…

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

A: Obtain the sample size of a no preliminary estimate for p. The formula of sample size is, Here,…

Q: In a recent poll, 120 people were asked if they liked dogs, and 67% said they did. Find the margin…

A: Given: In a poll, 120 people were asked if they liked dogs, and 67% said they did. So, n=120p=0.67

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

A: Given data n=1026 x=520 confidence interval=95%

Q: In a recent poll, 110 people were asked if they liked dogs, and 40% said they did. Find the margin…

A: For 99% confidence intervalα=1-CI=1-0.99=0.01So, zα2=z0.012=z0.005=2.576

Q: In a recent poll, 410 people were asked if they liked dogs, and 44% said they did. Find the margin…

A: n = 410 p^=0.44 Confidence interval = 95%

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​ poll, 37​% of the people polled answered yes to the question​ "Are you in favor of the death…

A: Given information- Margin of error, E = 5% = 0.05 Confidence level, c = 96% We have given that 37​%…

Q: 1(b). At 99% confidence, what is the margin of error?

A: here use given data table

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…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.