A state representative wants to know how voters in his district feel about enacting astatewide smoking ban in all enclosed public places, including bars and restaurants.His staff mails a questionnaire to a simple random sample of 800 voters in hisdistrict. Of the 800 questionnaires mailed, 152 were returned. Of the 152 returnedquestionnaires, 101 support the enactment of a statewide smoking ban in allenclosed public places.What is the response rate?-12.6%19%66%None of these

Answered: Image /qna-images/answer/0759365c-a2a5-47f4-ae1d-58fdb52fd1d1.jpg

Answered: A state representative wants to know…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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The city of Raleigh has 7,900 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 550 randomly selected registered voters was conducted. 270 said they'd vote for Brown, 266 said they'd vote for Feliz, and 14 were undecided.Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Round your answer to four decimal places. ------------ This sample statistic suggests that we might expect ----------- of the 7,900 registered voters to vote for Brown.
Minnesota had the highest turnout rate of any state for the 2016 presidential election.† Political analysts wonder if turnout in rural Minnesota was higher than turnout in the urban areas of the state. A sample shows that 639 of 852 registered voters from rural Minnesota voted in the 2016 presidential election, while 378 out of 525 registered voters from urban Minnesota voted. (a) What is the proportion of sampled registered voters in rural Minnesota that voted in the 2016 presidential election? (b) What is the proportion of sampled registered voters in urban Minnesota that voted in the 2016 presidential election? (c) At ? = 0.05, test the political analysts' hypothesis. i.Calculate the test statistic. (Round your answer to two decimal places.) ii. What is the p-value? (Round your answer to four decimal places.)p-value =
Your local school board wants to determine the proportion of people who plan on voting for the school levy in the upcoming election. They conduct a random phone poll, where they contact 150 individuals and ask them whether or not they plan on voting for the levy. Of these 150 respondents, 78 people say they plan on voting for the levy. The school board wants to determine whether or not the data supports the idea that more than 50% of people plan on voting for the levy. Calculate the p-value for the one-sided Hypothesis test described in this example. (Hint: Find the test statistic and then use the tables to find the p-value.) 0.20 < p-value < 0.30 0.6879 0.3121 greater than 0.5 0.4899
Readers of the magazine Popular Science (August 1990) were asked to phone in (on a 900 number) their responses to the following question: “Should the United States build more fossil-fuel generating plants or the new so-called safe nuclear generators to meet the energy crisis of the 90s?” Of the total call-ins, 86% chose the nuclear option. What do you think about the way the poll was conducted? What do you think about the way the question was worded? Do you think the results are a good estimate of the prevailing mood of the country?
The city of Raleigh has 10200 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 400 randomly selected registered voters was conducted. 197 said they'd vote for Brown, 176 said they'd vote for Feliz, and 27 were undecided.Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent.197400 This sample statistic suggests that we might expect of the 10200 registered voters to vote for Brown.
sixty-five percent of those surveyed reply No to a certain question. If 234 reply No, what is the sample size?
520 students from UC Berkeley are surveyed about whether they are from Northern California, Southern California, Central California, or from another state or country. A researcher is interested in seeing if the proportion of students from each of the four regions are all the same for all UC Berkeley students. The table below shows the outcome of the survey. Fill in the expected frequencies. Frequencies of UCB Students' Home Towns Outcome Frequency Expected Frequency Northern California Southern California Central California Out of State 189 152 170 1000
A political campaign wants to estimate the number of adult residents who voted in the last city election. Answer the following. (a) Which of the following surveys probably would best represent the entire adult population of the city? 50 senior residents are randomly selected; 42 voted in the last election. 50 adult residents are randomly selected from the city; 25 voted in the last election. 50 business owners are randomly selected; 38 voted in the last election. (b) There are 16,800 adults who live in the city. Using your answer from part (a), estimate the number of adults who voted in the last city election. adults
A drug company is testing a new pain relief. They select 100 arthritics. Patient and conduct a double blind test of the drug to see if there are any unwanted side effects. 23% Report that they experienced unwanted side effects. Need any sample statistics
The city of Raleigh has 8600 registered voters. There are two candidates for city council in an upcoming election: Brown and Feliz. The day before the election, a telephone poll of 200 randomly selected registered voters was conducted. 117 said they'd vote for Brown, 76 said they'd vote for Feliz, and 7 were undecided. Give the sample statistic for the proportion of voters surveyed who said they'd vote for Brown. Note: The proportion should be a fraction or decimal, not a percent. This sample statistic suggests that we might expect ______of the 8600 registered voters to vote for Brown.
Jessica Johnson is running for mayor of a small city in Florida. She needs at least 51% of the votes to win. Her campaign wanted to predict whether or not she’s going to win. She hires five people to ask 100 randomly selected voters if they will vote for her. The results are shown in the table. Should Jessica predict that she will win? Poll Number Yes Votes 1 51 2 68 3 58 4 43 5 65 Jessica should predict that she will ["", ""] because ["", "", ""]
The nonprofit group Public Agenda conducted telephone interviews with three randomly selected groups of parents of high-school children. There were 202 black parents, 202 Hispanic parents, and 201 white parents. The sample survey asked the parents to respond to the statement, "A college education has become as important as a high school diploma used to be." Here are the counts of responses: Strongly agree Somewhat agree Somewhat disagree Strongly disagree TOTAL Black parents 154 27 11 10 202 Hispanic White parents 144 37 13 8 202 parents 125 50 18 8 201 Write a brief report on the similarities or differences among the three groups of parents in their attitudes towards the importance of a college education. Include a graph or graphs and a test of significance.

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