Out of 200 people sampled, 46 preferred Candidate A. Based on this, estimate what proportion of the entire voting population (p) prefers Candidate A. Use a 99% confidence level, and give your answers as decimals, to three places.

Q: Out of 300 people sampled, 78 preferred Candidate A. Based on this, estimate what proportion of the…

A: From the given information,Out of 300 people sampled, 78 preferred candidate A.            So, here…

Q: Out of 200 people sampled, 40 preferred Candidate A. Based on this, estimate what proportion of the…

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

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Q: Out of 400 people sampled, 64 preferred Candidate A. Based on this, estimate what proportion of the…

A: Solution: Let X be the number of number of people preferred candidate A and n be the sample number…

Q: Out of 200 people sampled, 166 preferred Candidate A. Based on this, estimate what proportion of the…

A: Sample size (n) = 200 Out of which 166 preferred candidate A that is (x) = 166 The sample proportion…

Q: Out of 300 people sampled, 57 preferred Candidate A. Based on this, estimate what proportion of the…

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

A: As there is no estimates available, the sample proportion to be 0.50, i.e., 50%.The margin of error…

Q: Thirty five percent of adults Americans are regular voters.  A random sample of 250 adults in a…

A: Confidence interval:The (1-α) % confidence interval for proportion p is given by,

Q: Out of 400 people sampled, 380 preferred Candidate A. Based on this, estimate what proportion of the…

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Q: Out of 300 people sampled, 231 preferred Candidate A. Based on this, estimate what proportion of the…

A: In the question,  Given that, out of 300 people samples 231 are preferred candidate A. And p is…

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:

Q: Out of 500 people sampled, 30 preferred Candidate A. Based on this, estimate what proportion of the…

A: The 500 people are sampled out of which 30 preferred candidate A. That is, n=500,x=30. The…

Q: Out of 500 people sampled, 250 preferred Candidate A. Based on this, estimate what proportion of the…

A: Solution-:  Given: n=500, X=250, c=0.99 We want to find 99% C.I. ........<p<........

Q: Suppose 1,620 of 2,000 registered voters sampled said they planned to vote for the Republican…

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

A: From the provided information, Sample size (n) = 395 Out of which 210 are against the new…

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

A: The given information is as follows:The confidence level is (1–α) = 99%.From this, the probability…

Q: Out of 200 people sampled, 56 preferred Candidate A. Based on this, estimate what proportion of the…

A: Given that n=200 and x=56.

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

A: Introduction: The 100 (1 – α) % confidence interval for the population proportion, p is: Here, n is…

Q: Out of 600 people sampled, 504 preferred Candidate A. Based on this, find a 99% confidence level…

A: Solution

Q: Out of 500 people sampled, 455 preferred Candidate A. Based on this, estimate what proportion of the…

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Q: Out of 200 people sampled, 58 preferred Candidate A. Based on this, estimate what proportion of the…

A: It is given that Sample size n = 200 Number of candidates preferred candidate A, X = 58 The critical…

Q: Out of 600 people sampled, 132 preferred Candidate A. Based on this, estimate what proportion of the…

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Q: Out of 500 people sampled, 410 preferred Candidate A. Based on this, estimate what proportion of the…

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Q: Out of 300 people sampled, 33 preferred Candidate A. Round to three decimals. Based on this…

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

A: Given observation Error = 10% = 0.1 Confidence level = 0.99

Q: Out of 100 people sampled, 83 preferred Candidate A. Based on this, estimate what proportion of the…

A: Find z-critical value:…

Q: Out of 200 people sampled, 10 preferred Candidate A. Based on this, estimate what proportion of the…

A: We have given that,  Favorable cases (X) = 10 and sample size (n) = 200 Then,  We will find 95%…

Q: Out of 600 people sampled, 552 preferred Candidate A. Based on this, estimate what proportion of the…

A: We have given that,  Sample size (n) = 600 and favorable cases (X) = 552 Then,  We will find the 99%…

Q: Out of 600 people sampled, 222 preferred Candidate A. Based on this, estimate what proportion of the…

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

Q: In a past presidential election, 37,285,240 people voted for Candidate A; 37,201,620 for Candidate…

A: Percentage=value for the corresponding variable observationtotal value*100 The value range interval,…

Q: Out of 400 people sampled, 376 preferred Candidate A. Based on this, estimate what proportion of the…

A: Given information Total people n = 400 No of candidate preferred Candidate A (x) = 376

Q: Out of 600 people sampled, 534 preferred Candidate A. Based on this, estimate what proportion of the…

A: p^=534600p^=0.89

Q: Out of 500 people sampled, 440 preferred Candidate A. Based on this, estimate what proportion of the…

A: Suppose, p is the true proportion of the entire voting population, who prefers Candidate A.

Q: Political parties rely heavily upon polling to measure their support in the electorate in a country…

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Q: A public opinion pollster wants to estimate the percentage of voters who favor an upcoming proposal.…

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Q: Out of 500 people sampled, 415 preferred Candidate A. Based on this, estimate what proportion of the…

A: Given X=414 n=500

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

A: From the provided information, n = 1028 and x = 594 The proportion can be obtained as:

Q: Out of 400 people sampled, 380 preferred Candidate A. Based on this, estimate what proportion of the…

A: It is given that sample size (n) is 400 and x is 380.

Q: out of 300 people sampled, 261 preferred Candidate A. Based on this, estimate what proportion of the…

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Q: Out of 200 people sampled, 62 preferred Candidate A. Based on this, estimate what proportion of the…

A: According to the given information in this question We need to find 99% confidence interval

Q: Out of 600 people sampled, 468 preferred Candidate A. Based on this, estimate what proportion of the…

A: Given that, Out of 600 people sampled, 468 preferred Candidate A. 99% confidence level

Q: Out of 200 people sampled, 134 preferred Candidate A. Based on this, estimate what proportion of the…

A: We have given that the sample size n=200 and favourable cases X=134. The sample proportion p^ = X/n.

Q: Out of 400 people sampled, 24 preferred Candidate A. Based on this, estimate what proportion of the…

A: Given Data, Out of 400 people 24 Prefers A which means  n=400 x=24 sample proportion (p)=x/n =…

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: Out of 500 people sampled, 125 preferred Candidate A. Based on this, estimate what proportion of the…

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Q: Out of 400 people sampled, 68 preferred Candidate A. Based on this, estimate what proportion of the…

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Q: Out of 600 people sampled, 318 preferred Candidate A. Based on this, estimate what proportion of the…

A: It is given that, Out of 600 people sampled, 318 preferred Candidate A. x=318 n=600

Q: Out of 500 people sampled, 235 preferred Candidate A. Based on this, find a 99% confidence level…

A: Givenn=500x=235p^=xn=235500=0.47α=1-0.99=0.01α2=0.005zc=zα2=z0.005=2.5758  (from z table)

Q: b. In the year 2000, a survey of 894 U.S. adults were asked who they felt was the greatest…

A: Givenn=894x=194p^=xn=194894=0.2170Confidence interval = 99%