Sexual assault in college: In a Washington Post/Kaiser Family Foundation poll conducted from January through March 2015, 46% of adults (ages 17‑26) who attended college during the past 4 years say it’s unclear whether sexual activity when both people have not given explicit agreement is sexual assault. The survey methodology section states that the margin of error is ±3.5% at the 95% confidence level. What does this margin of error tell you about the results of this poll?  We are 95% confident that the sample proportion is off by 3.5%.  We are confident that 95% of the responses are within 3.5% of the population proportion.  We are 95% confident that the population proportion is within 3.5% of the sample proportion of 46%.  We are confident that population proportion is within 3.5% of the sample proportion of 46%.

Q: Isabel Myers was a pioneer in the study of personality types. According to one of her surveys, in a…

A: Solution

Q: According to a poll, 81% of California adults (409 out of 506 surveyed) feel that education is one…

A: Point estimate=0.81

Q: The wine company Yellow Tail publishes a report stating that drinking 2 glasses of wine each evening…

A: Given that  The wine company Yellow Tail publishes a report stating that drinking 2 glasses of wine…

Q: Students at a certain college were asked if they have a car. After surveying 823 students, it was…

A: We know that a margin of error tells us how many percentage points our results will differ from the…

Q: joint USA Today/CNN/Gallup Poll in July 2020 indicated that of 832 white adults, 46% thought…

A: Given n=832 P=0.46

Q: ) When 415 junior college students were surveyed, 150 said they have a passport. Construct a 95%…

A:

Q: According to a Harris Interactive survey of 2401 adults conducted in April 2009, 25% of adults do…

A:

Q: When you construct a 95% confidence interval, what are you 95% confident about?

A: Confidence intervals: Confidence intervals are the limits for the point estimate of population…

Q: A Pew Research Center report on gamers and gaming estimated that 49% of U.S. adults play video games…

A:

Q: A university dean is interested in determining the proportion of students who receive some sort of…

A: It is given that Sample size n = 250 Number of students receiving scholarship, X = 70 The critical…

Q: Samesex marriage: In a recent 2015 ABC News/Washington Post poll, 1,016 adults nationwide answered…

A:

Q: Practice. Testing a vaccine for HIV. Of 8198 subjects given a placebo, 74 became infected with HIV,…

A: (a)Given that,sample one, x1 =74, n1 =8198, p1= x1/n1=0.009sample two, x2 =51, n2 =8197, p2=…

Q: A May 2000 Gallup poll found that 38% of a random sample of 1012 adults in the United States said…

A: (a)   Obtain the 96% confidence interval to estimate the true proportion of all U. S. adults who…

Q: n a survey of 500 students, 180 students said that they prefer classes on Mondays and Wednesdays…

A:

Q: The General Social Survey (GSS) is a survey administered to a random sample of adult Americans by…

A: given data sample size (n) = 2500favorable outcomes (x) = 725p = proportion of customers that are…

Q: Death penalty: A group claims that the overall feelings of the general population on the death…

A: The objective of this question is to construct a 95% confidence interval for the proportion of…

Q: malls were the exclusive focus of 10 percent of articles. The standard error of that proportion is 3…

A: From the provided information,Confidence level = 95%

Q: It is known that ticks in York County carry the Lyme disease.  In a representative sample of 200…

A: Let n=sample size, X=number of Carry disease. p^=x/n  X=167, n=200

Q: 829 adult were surveyed in one city, and 51% of them are opposed to the use of the photo-cop for…

A: Given data: n = 829 p = 0.51

Q: Do sports drinks help prevent cramps in endurance sports? At the end of a marathon, officials will…

A: Observational study: In observational study, the individuals of the study are observed by the…

Q: A survey asked, "How important is it to you to buy products that are made in America?" Of the 600…

A: Given x=450 n=600

Q: Health insurance benefits vary by the size of the company (the Henry J. Kaiser Family Foundation…

A: a:For the given data, the chi-square test for association is appropriate.Null Hypothesis:H0: The…

Q: The College of Graduate Studies at MNSU claims that more than 60% of undergraduate students at this…

A:

Q: Several years ago, 50% of parents who had children in grades K-12 were satisfied with the quality of…

A:

Q: What are the two major areas of statistical inference? Discuss their importance. b. Is the 95%…

A: Statistical inference helps to infer the properties of the population from a given sample of data.…

Q: Please help, thank you!

A: Solution: From the given information, p-hat = 18%, margin of error is plus or minus is 2%. That is,…

Q: 5-Seventy percent of 50 randomly selected students from college of science and engineering were…

A:

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

A:

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

A: n = 21410 p^ = 0.72 99% ci for p

Q: According to a poll, 77% of California adults (389 out of 506 surveyed) feel that education is one…

A: Given that the number of favorable cases Favorable Cases XX = 389389 Sample Size NN = 506506…

Q: It is believed that slightly over 50% of Americans own pets. A 95% confidence interval for the…

A: Confidence Interval: The form of the confidence interval is, CI = Point estimate ± Margin of error…

Q: Smallpox Vaccine. ABCNEWS.com published the results of a poll that asked U.S. adults whether they…

A:

Q: Calculate and interpret a 95% confidence interval to estimate the true proportion of California…

A: Given information X=360, n=600

Q: What does the 95% represent in a 95% confidence interval

A: Solution CI=95%

Q: What are two ways to get a narrower confidence interval for a proportion?

A: Two ways to get a narrower confidence interval for a proportion are:

Q: A university dean is interested in determining the proportion of students who receive some sort of…

A: Given that, X = 118 N = 200 99% confidence level

Q: In a survey of 1,626,773 U.S. adults, 49,311 personally identified as lesbian, gay, bisexual, or…

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.