Identify the sample, the population the sampling method, and then indicate whether the sample is likely to a representative of the population.? A KRC Research poll of 1002 randomly selected adults found that 53% of them said they feel vulnerable to identity theft

Q: What is the sample? O All people O Which food delivery app was used O All US smartphone users O…

A: The survey is conducted on 800 US smartphone users. The variables are whether they used a food…

Q: a stratified random sample? WO ber the students from 1 to 2000 and us ey the first 100 students to…

A: Stratified sampling is a process of random sampling. It is used to divide a population into…

Q: In order to get patients opinion about the services provided to them by a hospital, a sample of 500…

A: A systematic type of sampling is the sampling in which every kth member is selected to gather a…

Q: O subjects in a study were randomly assigned into two equally sized groups. One group was shown a…

A: Given data is:

Q: medical information​ online?" Of 1072 Internet users who chose to​ respond, 38% of them responded…

A: The term used to describe this type of survey is C. The respondents are a voluntary response…

Q: there is no relationship between age and job satisfaction in hypothesis in a formula form

A: The relationship between two variable is denoted by correlation. Correlation testing is the test of…

Q: A television newscaster invites viewers to tweet their opinions on a proposed bill on immigration…

A: Here we know that, probability of taking opinions comes under convenience probability.

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: By using the standard normal table, the critical value zα2 at the 99% confidence level is, 2.576.…

Q: Determine the sample proportion. It has been determined with 95% confidence that the proportion of…

A:

Q: A concrete mix is designed to withstand 3000 pounds per square inch (psi) of pressure. The following…

A: As per our Guidelines we are suppose to do only one question

Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: To study about the introduction of schools. The strength of the schools are 2000, 2500 and 4000. It…

A:

Q: How to determine if a sample is small or large? In my homework, the sample size is 66. The answer in…

A: Note: Hey there! Thank you for posting the question! Sometimes a sample cannot be determined as a…

Q: Please do not give solution in image format thanku A confidential survey aims to estimate the…

A: It is given that, a random number between  and  (both inclusive) is to be chosen.For a chosen number…

Q: compute the sample proportion. (You can see the number of successes listed under the levels for that…

A: Given  Total number=number of no+ number of yes  =110+20=130 Total number=130.  We want to find the…

Q: A poll asked respondents if they had taken a vacation in the last year. The respondents were…

A: Given information is: From above table, we can conclude the following: Total number of respondents…

Q: The city of Raleigh has 11,700 registered voters. There are two candidates for city council in an…

A: Consider x denotes voter supports Brown. Here, n = 350 and x = 178.

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 national society of acupuncturists asked a random sample of 450 adults their opinion about…

A:

Q: In an AOL survey of Internet users, this question was posted online: "Have you ever been hit by a…

A: A population is a collection of all possible observations, whereas a census tries to gather whole…

Q: A sample survey by Nielsen Media Research looked at computer access and use of the Internet. Whites…

A: Given: n1=1170n2=1127x1=86x2=105

Q: If N is the size of the population and n is the size of the sample, find the sampling fraction?

A: From the provided information, The population size is N and the sample size is n.

Q: I am doing a survey and want to know how many siblings each participant has. Participant 3 leaves…

A: Introduction: Consider that there are n participants in the study. Each participant is asked how…

Q: If you want to conduct a study to determine how much people exercise from a certain town, what would…

A: In this scenario, it is appropriate to call randomly selected cell phone numbers of people living in…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: You are the operations manager for an airline and you are considering a higher fare level for…

Q: b. Which group is more likely to have taken a vacation in the last year: college graduates or…

A: Given data:   Yes No Total College Graduate 183 67 250 Not a College Graduate 126 124 250…

Q: 9) A survey of 1688 American households found that 14% of the households own at least two bicycles.…

A: Solution 9:  A survey of 1688 American households found that 14% of the households own at least two…

Q: Researchers at a drug company are testing the duration of a new pain reliever. The drug is normally…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: According the April 12, 2017 Pew Research survey, 58% of Americans approve of U.S. missile strikes…

A: (3) Determine whether the normal approximation can be used with the given distribution or not?…

Q: Random digit dialing telephone surveys used to exclude cell phone numbers. If the opinions of people…

A: Cell-only sample Landline sample Democrat or lean Democratic 49 47 Refuse to lean either way…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A: Confidence Interval=95%Margin of error(E)=3.5%=0.035

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.