Amendment A TV news reporter says that a proposedconstitutional amendment is likely to win approval in theupcoming election because a poll of 1505 likely votersindicated that 52% would vote in favor. The reporter goeson to say that the margin of error for this poll was 3%.a) Explain why the poll is actually inconclusive.b) What confidence level did the pollsters use?

Q: A poll of 1142 voters asked what the most significant issue was in the upcoming election. 1028 of…

A: X=1028, n=1142 α=0.14 p^=X/n= proportion Margin of error=MOE=Zα/2p^(1-p^)n

Q: You are the campaign manager for a politician. Suppose you’replanning your first poll, and you have…

A: Let Proportion be p=0.50 E=0.03 Z-value at 95% confidence is Zc=1.96 n=?

Q: Random Drug Testing. A Harris Poll asked Americans whether states should be allowed to conduct…

A: Computing the margin of error for population proportion: It was found that, out of the 21355 people,…

Q: 5. For a class project, a political science student at a large university wants to estimate the…

A: Given: n=500 x=300 then , P=xn=300500=35P=0.6

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

A:

Q: Use the given degree of confidence and sample data to construct a confidence interval for the…

A:

Q: A poll asked the question, "What do you think is the most important problem facing this country…

A: The critical value is in lower (or upper) 2.5%. Using Excel formula “=NORM.S.INV(0.975)”, the…

Q: An advertising firm plans to have a sample of individuals view a commercial on a "sunscreen pill"…

A:

Q: In a 2008 survey, people were asked their opinions on astrology - whether it was very scientific,…

A: (a)given that,possible chances (x)=71size(n)=1438success rate ( p )= x/n = 0.0494point of estimate =…

Q: In a survey, people were asked whether they thought sun went around the planet Earth or vice versa.…

A: A survey was conducted with 1900 people to check whether they thought sum went around the planet…

Q: A poll of 1,200 voters asked what the most significant issue was in the upcoming election.…

A:

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: local board of education conducted a survey of residents in the community concerning a property tax…

A: Population size (N) = 850 X represent supported the property tax levy.  X = 410  P^ =  x/N  Margin…

Q: D A food nutritionist provides a program to help their clients lose weight and asks to investigate…

A: Given Information: Consider the given data: Patient Weight 1st 2nd 3rd 1 155 145 140 2 187…

Q: Presidential Travel In a survey of 1004 individuals, 442 felt that President George W. Bush spent…

A:

Q: A pollster reports that 61% of voters plan to vote for Ralph Thoreau for state senator. The pollster…

A: We have to find correct answer...

Q: A journalist plans to take a poll estimating the proportion of people who plan to vote for his…

A: (a) Obtain the sample size of a no preliminary estimate for p The formula of sample size is, Use…

Q: A poll asked whether states should be allowed to conduct random drug tests on elected officials. Of…

A:

Q: The president’s administration wants to know whether the voters support their foreign aid program. A…

A:

Q: Determine whether the study is an experiment or an observational study, and then identify a major…

A: The given study is the observational study as in the researcher just posted the question online and…

Q: Fans A survey of 81 randomly selected people standingin line to enter a football game found that 73…

A: The provided information are: Number of trials (n) = 81 Number of success (x) = 73

Q: A poll asked the question, "What do you think is the most important problem facing this country…

A: Given Information: Mean percentage = 21%  Margin of error = 4%

Q: 6               138,548 134,012               132,908 137,055               136,018 133,732…

A: Given data : Friday-6th          Friday-13th 139,246               138,548 134,012…

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: A political geographer is interested in voting patterns during a recent federal election. He surveys…

A: Since there are 2 different questions, I solved 1st question as per Bartleby rules. Please post the…

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

A: Given that   Margin of error n=0.07 99% confidence interval.

Q: A pollster states that their latest poll shows 63% of people plan to vote in favor of Proposition 8…

A: As due to the honor-code, we are authorized to answer only 3 subparts for each question and that you…

Q: A poll of 1.200 voters asked what the most significant issue was in the upcoming electionSixty-five…

A: Sample size is n= 1200 Proportion, p=65% = 0.65 We know that, q=1-p =1-0.65 = 0.35 Confidence…

Q: 7.55 Gun Control According to a 2017 Gallup Poll, 617 out of 1028 randomly selected adults living in…

A: Confidence interval has two parts, they are sample statistic and margin of error. It has two limits,…

Q: VOTE VOTE VOTE Out of 100 people sampled, 82 preferred Candidate A. Based on this, estimate what…

A: Given that,Number of samples =n=100Preferred samples =x= 82Sample proportion= p= x/n=82/100p=0.82

Q: political researcher takes a survey of 310 randomly selected registered voters in Orlando, and each…

A: Given that.  n=310 , Candidate A=110 , Candidate B=185 Unsure or plan to vote for another…

Q: Kansas voters were surveyed and asked who they are going to vote for governor. Out of 578 people…

A: Sample Proportion \hat pp^​ = 0.510.51 NN = 581578 The value of z at 99% confidence level is…

Q: Answer the following using the 5-step hypothesis testing procedure: A medical technologist claims…

A:

Q: a. Use a carefully worded sentence to report the 95% confidence interval for the percentage of…

A: Given information is as follows; Sample proportion ,p⏞ = 0.62. Margin of error , E = 0.02. Part a)…

Q: (b) In a simple random sample of 350 voters, 185 said that they were planning to vote for the…

A: b)Givensample size(n)=350x=185confidence interval = 95%

Q: In a poll to estimate presidential popularity, each person in a random sample of 1,390 voters was…

A: Given information:Total number of random Sample (n) = 1390Favorable outcome = 500

Q: VOTE VOTE VOTE Out of 300 people sampled, 186 preferred Candidate A. Based on this, estimate what…

A: Given that,   x=186,n=300 The sample proportion is, Critical values: By using the standard normal…

Q: Local government officials are interested in knowing if taxpayers are willing to support a school…

A:

Q: A researcher goes to a local park to see how many people are wearing face masks. She counts 37 women…

A: The following information is provided:   Women Men Wear face mask x1=24 x2=14 Total  n1=37…

Q: He surveys 500 students and finds that 300 are registered voters. Compute a 90% confi

A: Here it is given that - Total number of sample (n) = 500 Number of registered voters = 300 So,…

Q: A news article that you read stated that. 51% of voters prefer the Democratic candidate. You think…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Safety. Observers in Texas watched children at playin eight communities. Of the 814 children seen…

A: a.

Q: 6. A consumer watch group interviewed a random sample of 1,000 consumers and asked them if they are…

A: Given: Among 1500 respondents, 358 knew the game.

Q: Determine whether the study is an experiment or an observational study, and then identify a major…

A: 1465 Internet users chose to respond a newspaper's question. 52% said yes.   This is an…

Q: A man was buying shoes wheb a salesperson commebted on hiw small his feet were. After telling her…

A: The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ  are the mean…

Q: .A poll questioned 800 students about their views on pizza for lunch at school. The results…

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Q: Tutoring The table shows the results of a survey in which separate samples of 400 adults each from…

A:

Q: The president’s administration wants to know whether the voters support their foreign aid program. A…

A:

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.