A polling company conducts an annual poll of adults about political opinions. The survey asked a...
A polling company conducts an annual poll of adults about political opinions. The survey asked a random sample of 314 adults whether they think things in the country are going in the right direction or in the wrong direction. 51% said that things were going in the wrong direction. How many people would need to be surveyed for a 90% confidence interval (z*=1.645) to ensure the margin of error would be less than 3%? Round your answer to the appropriate integer...... The answer is not 751 so I am confused
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A polling company conducts an annual poll of adults about
political opinions. The survey asked a...
In a survey of 1066 adults, a poll asked, "Are you worried or not worried about...
In a survey of 1066 adults, a poll asked, "Are you worried or not worried about having enough money for retirement?" Of the 1066 surveyed, 630 stated that they were worried about having enough money for retirement. Construct a 95%confidence interval for the proportion of adults who are worried about having enough money for retirement. A 95% confidence interval for the proportion of adults who are worried about having enough money for retirement is? (? ,?).
In a survey of 1001 adults, a polling agency asked, "When you retire, do you think...
In a survey of 1001 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1001 surveyed, 528 stated that they were worried about having enough money to live comfortably in retirement. Construct a 95% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Select the correct choice below and fill in the answer boxes to complete...
4. In a Canada Day poll, 1009 Canadians were asked “What are things about Canada that...
4. In a Canada Day poll, 1009 Canadians were asked “What are things about Canada that make you proud?” 88% of respondents said the flag, 80% said hockey, and 44% said the Canadian justice system. The poll was reported accurate to within +3.1%, 19 times out of 20. a) Use confidence intervals to interpret the poll results. b) At the time of the poll, Statistics Canada estimated Canada's population at 34 019 000. Determine the range of people in Canada,...
Wisconsin Public Radio wants to duplicate a survey conducted in 2011 that found that 68% of...
Wisconsin Public Radio wants to duplicate a survey conducted in 2011 that found that 68% of adults living in Wisconsin felt that the country was going in the wrong direction. How many people would need to be surveyed for a 90% confidence interval to ensure the margin of error would be less than 3%. Be sure to show all your work and round appropriately. (4 points)
In May 2006, the Gallup Poll (www.galluppoll.com) asked 510 randomly sampled adults the question "Generally speaking, do...
In May 2006, the Gallup Poll (www.galluppoll.com) asked 510 randomly sampled adults the question "Generally speaking, do you believe the death penalty is applied fairly or unfairly in this country today?" Of these, 60% answered "Fairly," 35% said "Unfairly," and 4% said they didn't know. First, please answer this question: From this survey, what can we conclude about the opinions of all adults? (To answer this question, please build a 95% confidence interval for the proportion of all U.S. adults...
In a survey of 1002 adults, a polling agency asked, "When you retire do you think...
In a survey of 1002 adults, a polling agency asked, "When you retire do you think you will have enough money to Ive comfortably or not of the 1002 surveyed, 531 stated that they were worried about having enou money to live comfortably in retirement Construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page Click here to...
In a survey of 1006 adults, a polling agency asked, "When you retire, do you think...
In a survey of 1006 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1006 surveyed, 531 stated that they were worried about having enough money to live comfortably in retirement. Construct a 95% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page 1). Click here...
In a survey of 1003 adults, a polling agency asked, "When you retire do you think...
In a survey of 1003 adults, a polling agency asked, "When you retire do you think you will have enough money to live comfortably or not. Of the 1003 surveyed, 520 stated that they were worried about having enough money to live comfortably in retirement Construct a 99% confidence interval for the proportion of adults who are worked about having enough money to Ivo comfortably in retirement Click here to view the standard normal distribution table (page ) Click here...
please answer this question A polling firm surveyed 1000 adults from one country about r form...
please answer this
question
A polling firm surveyed 1000 adults from one country about r form of the country's senate. Of these, 26% of people in City A supported abolishing the senate, compared with 51% in City B Construct a 95% confidence l eral forthe difference in support between City A and City B Assume that 35.9% of the adults survey ere i City A and 21.1% ere in City B ) Let adults C y A be populatio Select...
In a survey of 1013 adults, a polling agency asked, "When you retire, do you think...
In a survey of 1013 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1013 surveyed, 532 stated that they were worried about having enough money to live comfortably in retirement. Construct a 95% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page 1). Click here...
4. In a Canada Day poll, 1009 Canadians were asked “What are things about Canada that make you proud?” 88% of respondents said the flag, 80% said hockey, and 44% said the Canadian justice system. The poll was reported accurate to within +3.1%, 19 times out of 20. a) Use confidence intervals to interpret the poll results. b) At the time of the poll, Statistics Canada estimated Canada's population at 34 019 000. Determine the range of people in Canada,...
Wisconsin Public Radio wants to duplicate a survey conducted in 2011 that found that 68% of adults living in Wisconsin felt that the country was going in the wrong direction. How many people would need to be surveyed for a 90% confidence interval to ensure the margin of error would be less than 3%. Be sure to show all your work and round appropriately. (4 points)
In a survey of 1002 adults, a polling agency asked, "When you retire do you think you will have enough money to Ive comfortably or not of the 1002 surveyed, 531 stated that they were worried about having enou money to live comfortably in retirement Construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page Click here to...
In a survey of 1006 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1006 surveyed, 531 stated that they were worried about having enough money to live comfortably in retirement. Construct a 95% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page 1). Click here...
In a survey of 1003 adults, a polling agency asked, "When you retire do you think you will have enough money to live comfortably or not. Of the 1003 surveyed, 520 stated that they were worried about having enough money to live comfortably in retirement Construct a 99% confidence interval for the proportion of adults who are worked about having enough money to Ivo comfortably in retirement Click here to view the standard normal distribution table (page ) Click here...
please answer this
question
A polling firm surveyed 1000 adults from one country about r form of the country's senate. Of these, 26% of people in City A supported abolishing the senate, compared with 51% in City B Construct a 95% confidence l eral forthe difference in support between City A and City B Assume that 35.9% of the adults survey ere i City A and 21.1% ere in City B ) Let adults C y A be populatio Select...
In a survey of 1013 adults, a polling agency asked, "When you retire, do you think you will have enough money to live comfortably or not. Of the 1013 surveyed, 532 stated that they were worried about having enough money to live comfortably in retirement. Construct a 95% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement. Click here to view the standard normal distribution table (page 1). Click here...
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