In a recent poll, 120 people were asked if they liked dogs, and 41% said they did. Find the Margin of Error for this poll, at the 99% confidence level. Give your answer to four decimal places if possible.

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: If n=470 andp (p-hat) =0.69, find the margin of error at a 95% confidence level Give your answer to…

A: If the number of possible observations from the total sample size is calculated using the proportion…

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

A: Sample size:The minimum sample size for a desired confidence level, α with a given margin of error,…

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

A: In this question, It has been given that Margin of error = 0.05 and level of significance = 0.005.…

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: 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, 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, 100 people were asked if they liked dogs, and 12% said they did. Find the Margin…

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Q: In a recent poll, 260 people were asked if they liked dogs, and 13% said they did. Find the margin…

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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: In a recent poll, 240 people were asked if they liked dogs, and 46% said they did. Find the Margin…

A: Given that, Critical values: By using the standard normal table of Z, the critical value at 95%…

Q: n a recent poll, 510 people were asked if they liked dogs, and 45% said they did. Find the Margin of…

A: Given Data Sample Size, n = 510 p̂= 0.45 Significance level, α =1-0.99…

Q: In a recent poll, 560 people were asked if they liked dogs, and 22% said they did. Find the margin…

A: For 95% confidence intervalα=1-CI=1-0.95=0.05So, zα2=z0.052=z0.025=1.96

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: find the margin of error at a 95% confidence level

A: Formula for margin of error is,

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: 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 poll, 260 people were asked if they liked dogs, and 80% said they did. Find the Margin…

A: Given:

Q: If n=31, ē(x-bar)=35, and s=5, find the margin of error at a 99% confidence level Give your answer…

A: We have to find margin of error.

Q: In a recent poll, 240 people were asked if they liked dogs, and 32% said they did. Find the margin…

A: Find z-critical value:…

Q: What happens to the margin of error if you increase the confidence level?

A: We know that, Margin of error=zσn

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: 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: 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: Out of 500 people sampled, 455 had kids. The best point estimate for p is . The margin of error…

A:

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: 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: If n=490 and ˆpp^ (p-hat) =0.46, find the margin of error at a 99% confidence level.Give your answer…

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Q: If n=440 andp (p-hat) =0.57, find the margin of error at a 99% confidence level Give your answer to…

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Q: In a recent poll, 540 people were asked if they liked dogs, and 28% said they did. Find the Margin…

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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, 600 people were asked if they liked dogs, and 33% said they did. Find the Margin…

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

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, 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: If n=23, ¤(x-bar)=34, and s=2, find the margin of error at a 98% confidence level Give your answer…

A: Given that, n = 23 Sample mean = 34 Standard deviation = 2 98% confidence level

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

A: here use given data table

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, 430 people were asked if they liked dogs, and 94% said they did. Find the Margin…

A:

Q: Out of 300 people sampled, 78 had kids. Based on this, construct a 99% confidence interval for the…

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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.