9. A Gallup poll conducted May 2-7, 2013, by telephone interviews (both landlines and cellular phones) of 1535 American adults found that 59% of Americans regarded gay and lesbian relations as morally acceptable. Give a 95% confidence interval for this survey. (Answer 1, _Answer 2 Give your answers to 3 decimal places. Answer 1 Answer 2
Q: In a Gallup poll of 804 randomly selected adults living in the 50 U.S. states and the District of…
A: Answer x =466n =804Confidence interval =95%
Q: A Pew Internet Project Data Memo presented data comparing adult gamers with teen gamers with respect…
A: Given : p̂1 = 0.54 p̂12 = 0.89 n1 = 1063 n2 = 1064
Q: central airlines claims that the median price of a round-trip ticket from chicago, illinois, to…
A: Sample size(n)=25 Median price=606 The number of tickets below $606 =11
Q: ) When 415 junior college students were surveyed, 150 said they have a passport. Construct a 95%…
A:
Q: or both, and how you know. . Find the test statistic for the test you determined was appropriate. .…
A: Given that Level of significance=0.05 We have to test hypothesis for the claim that there is…
Q: A research institute poll asked respondents if they felt vulnerable to identity theft. In the…
A: Step 1: Step 2: Step 3: Step 4:
Q: You are working in the cardiac surgery unit of a teaching hospital and you are asked to conduct a…
A: Here study to determine the IQ test changes after effective bypass surgery. There are two IQ test…
Q: At the 5% level, is there enough evidence to show that the proportion of Australians in November…
A: It is given that Sample size n = 631 Number of Australian thought unemployment would increase, X =…
Q: 3. A survey of 2,950 Filipinos showed that 2,655 trust the Supreme Court decisions on legal issues.…
A: Let X be the number of trust the supreme court decision on legal issues n be the sample size Given…
Q: Approximately 1.55 percent of people ages 40-50 have breast cancer.* Suppose a person has a 86…
A: Probability is a chance of occurrence of any event.
Q: Define the confidence level?
A: It is the likelihood of containing the true population parameter under the confidence interval when…
Q: In a survey conducted by the Gallup organization on September 6-9, 2012, 1,017 adults were asked "In…
A: From the given data ( 1 ) Frequency table Confidence LevelFrequencyGreat deal81Fair amount325Not…
Q: researcher wishes to estimate the proportion of college students who cheat on exams. A poll of 520…
A:
Q: In statistics, what is a Confidence Interval and how confidence intervals are used in research
A: We have define the confidence interval . Also we have find the its use in the research
Q: In a survey of 2282 adults, 749 say they believe in UFOs. Construct a 90% confidence interval for…
A:
Q: Please answer all. Thank you. A 95 percent confidence interval for the mean can be interpreted mean…
A: We have give that the statement 95% confidence interval for the mean can be interpreted
Q: Sierra College students enrolled in an online Elementary Statistics course were asked to participate…
A: Given: Desktop computer 31 laptop computer 113 Smart phone 6 Tablet 3 Total 153
Q: So called "dating" apps like Tinder and Grindr have become known to many as “hook-up" apps. You want…
A: Chi-square test of independence: A single simple random sampling is done with each individual…
Q: YouTube is a popular destination on the internet; let's look at how YouTube usage is distributed…
A: Event Y denote that selected internet user has to use internet and Ai ,i=1,2,and 3 denote that…
Q: The 90% confidence interval is from to. (Round to three decimal places as needed.)
A: A poll of 1030 adults in a country was conducted by telephone. Of those surveyed, 139 had…
Q: John Molnar will graduate from Carolina Forest High School this year. He took the American College…
A: The given data is, The mean score for all students taking the exam is 18.3. Only 2% of the students…
Q: An executive for a large company is considering a change to health insurance plans offered to the…
A: An executive for a large company is considering a change to health insurance plans offered to the…
Q: A statistics department consisting of 27 faculty has a median salary of 54000. One of the senior…
A: Given Total no. of faculty = 27 The median salary is 54,000. Senior faculty with 74,000 salary has…
Q: A famous study found that once orchestras switched to blind auditions, the number of women hired by…
A: Introduction: It has been observed that the number of women hired by orchestras increased when the…
Q: SAccording to Inc.com, 79% of job seekers used social media in their job search in 2018. Many…
A:
Q: 2. Construct a 95% confidence interval to estimate the proportion of Wingate female students that…
A: total number of female students =181 number of students who are left handed=15
Q: To assess the proportion of the readers of a magazine being professional, a random sample of 1000…
A: Given that the random sample of 1000 readers is selected and 660 are found to be professionals. That…
Q: In a survey conducted by the Gallup organization September 6-9, 2012, 1,017 adults were were asked…
A:
Q: Please fill in as many blanks as you can. But if possible, prioritize the blanks in chart last. I'm…
A: Given the cross tabulation between favor or oppose death penalty for murder and respondent sex.…
Q: A sociologist wishes to conduct a poll to estimate the percentage of Americans who favor affirmative…
A: From the given information, she wants to use a 2003 estimate of 55% obtained from a Gallup Youth…
Q: 12.2.84 The number of successes and the sample size for a simple random sample from a population are…
A: Note: Hey, since multiple questions are posted, we will answer first question for you. If you want…
Q: psychologist wanted to know if students in her class were more likely to cheat if they were low…
A: ANSWER:After reviewing the data set, we need to determine whether the observed patterns support or…
Q: A researcher conducts a study comparing anxiety levels in teens based on their social media usage.…
A: Given information: The data represents the descriptive and inferential statistics of anxiety scores…
Q: Suppose we measure GPA for people in our class, we find the mean is 2.8 and the median is 3.2. What…
A: Given: Mean = 2.8 Median = 3.2
Q: Suppose you want to construct a 95% confidence interval for the difference
A:
Q: Use the sample data and confidence level given below to complete parts (a) through (d). A research…
A: Given; x=561n=935The level of significance is;α=1-0.95=0.05 (a) The best point estimate of the…
Q: The Bureau of Labor Statistics reports that the official unemployment rate for Black people was…
A: Variables are of different types. The correct classification of variables and the identification of…
Q: Macmillan Learning (a) What is the sum of the percentages for these top social media sites? Give…
A: Using only the first initial of the top social media sites the data set provided in the question is…
Q: Explain the meaning of a poll that says 42% of Americans approve of the president's policies, with a…
A: According to the given information,
Q: A researcher gathered a sample of participants who volunteered for a studying of phobias. She…
A: A researcher gathered a sample of participants who volunteered for a studying of phobias. She…
Q: In recent survey of 1092 students, 966 of them would like to recommend www.helpyourmath.com to their…
A: Given;n = 1092x = 966confidence level 95%
Q: please use calculator method and include p values
A:
Trending now
This is a popular solution!
Step by step
Solved in 5 steps with 4 images
- In a recent survey of 1003 students, 977 of them would like to recommend www.helpyourmath.com to their friends. Construct a 90% confidence interval to estimate the proportion of all students who would recommend www.helpyourmath.com to their friends. Give your answers to three decimals: Submit QuestionPeople often say “Distance makes the heart fonder.” Interestingly, due to pandemic related lockdowns, some persons have been implicitly or explicitly indicating that it is indeed true as they have been struggling with their relationships due to lack of time apart from their partner. A researcher who is interested in such an issue decided to collect data on the level of rage/edginess that exist among a few couples due to lockdowns. Participants were asked to rank the level of hostility they think they have been exerting towards their partner due to having to spend more time than they usually do with them. The resulting data is presented on page two (2). 2 *14 is the highest level of hostility. Level of hostility Number of partners 0-1 4 2-3 11 4-5 8 6-7 20 8-9 25 10-11 12 12-13 12 13-14 4 a. Calculate the following: i. Mean ii. Mode iii. standard deviation iv. coefficient of variation v. Pearson's 1st measure of skewness b.Interpret the results of your calculations inA teacher wishes to know whether the male in his/her class have more favorable attitudes towardgun control than do the female. Allstudentsin the class are given a questionnaire about gun control andthe mean responses of the males and the females are compared. Is this an example of descriptive orinferentialstatistics? (Explain your Views with examples)
- In a survey that asked individuals about their favorite styles of music, 37 replied rock, 27 said they preferred pop music, 14 stated they like classical music the most, and 3 individuals stated they preferred opera. Based on this data, what would be the mode? Why couldn’t the mean or median be used to describe this set of values?What is the sample and corresponding population in this study ?A political scientist claims that 38% of first-year college students characterize themselves as being “moderate” or “middle of the road” as far as their political affiliation is concerned. Believing this claimed value is too high, you survey a random sample of 400 first-year college students and find that 120 characterize themselves as being “moderate” or “middle of the road.” Based on this information, what will the test statistic be? Choose the answer below that is closest to what you calculate, and try not to do a lot of rounding until you get to the very end of your calculations. 1. -0.3 2. -1.2 3. -2.6 4. -3.3 5. None of the other answer options are correct because the test statistic should be positive, not negative.
- Does the source of medical information affect people’s confidence that it is true? To answer this question, you presented medical information to participants regarding the importance of vaccinations. Participants were randomly assigned to read medical information from a doctor, a politician, or a celebrity. Then, they indicated how confident they were that the information is true.4) A set of 15 data points has mean 28.2. When one data point is disregarded, the mean of the remaining 14 data points is 27. What is the value of the disregarded data point?If 390 people were asked if they liked dogs, and 82% said they did What is the margin of error of this poll, at the 95% confidence level with your answer to three decimals?
- Melissa wants to estimate the proportion of adults in the U.S. who own a gun. To do so, she surveys 45 adults, and finds that 14 own a gun. Construct a 95% confidence interval to estimate the proportion of all adults in the U.S. who own a gun. Write a conclusion sentence.Students at a certain college were asked if they have a car. After surveying 354 students, it was found that 26.7% of them have a car. The margin of error was 4.7% with a 95% confidence ievel. What does this margin of error tell you about the percentage of students at that college who have a car? We can be 95% confident that somewhere between % and % of the students at that college have a car.In a survey of 356 people who attended a local professional soccer teams most recent home game, 135 said that they were fans of the visiting team. Create a 95% confidence interval for the population proportion of attendees who were fans of the visiting team. Round your answer to 3 decimals places