Forty-two percent of primary care doctors think their patients receive unnecessary medicalcare (reader’s digest, December 2011/January 2012).a. Suppose a sample of 300 primary care doctors were taken. Show the samplingdistribution of the proportion of the doctors who think their patients receive unnecessarymedical care.

Q: 35. In a large sample, which is the bigger concern?

A: HERE GIVEN, SAMPLE SIZE IS TOO LARGE

Q: Determine whether the sampling method described below appears to be sound or is flawed.   In a…

A: A sample in which the subjects themselves decide whether to be included in the study is called…

Q: A marketing company offers to pay $5 to the first 100 people willing to respond to their…

A: Answer 2 .Convenience sample

Q: In a sample of 550 students, 80% prefer online resources versus printed materials. The standard…

A:

Q: As part of a recreation planning survey at a park, questions are asked of all persons visiting the…

A: In census survey, all units in the population are enumerated. That is, enumeration of all units in…

Q: A researcher decided to gather data from all 150 employees in a certain office instead of just…

A: A certain office has 150 employees. All of them are selected by a researcher to gather data from.

Q: Which type of sampling method is used in the following? 20 people from each dorm are asked to fill…

A: In simple random sampling, the samples are chosen at random from the whole population. In cluster…

Q: If a hurricane was headed your way, would you evacuate? The headline of a press release states,…

A: Sample size = n = 4625 Sample proportion = p̂ = 0.32

Q: Hello, How do you set up and solve? Thank You!

A: Variance of the sampling distribution of the proportions:Consider p-hat as the sample proportion and…

Q: A recent survey of 537 California college students found that 481 had taken an online class in the…

A:

Q: A newspaper posted this question on its​ website: "How often do you seek medical information​…

A: Voluntary response sample:If the sample made up of volunteers or self-selected participants then the…

Q: (d) Write down the name of the sampling method for the following cases: (di) A fair representative…

A: Hello thankyou for the question. As you asked only answering two parts in part d of the question.

Q: When a researcher who is studying "serious tennis players" asks 200 people if they qualify as this…

A: In the following problem Convenience Sampling is to be used

Q: Among 1815 randomly selected high school students surveyed by the Centers for Diseases Control, 300…

A: Given X=300 n=1815

Q: You timed every kth dog grooming session over the course of a month, which resulted in 35 timed…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

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

A: From the given information, let X be the number of students received the financial aid. The dean…

Q: In a survey of 671 subjects, each was asked how often he or she watched TV. The survey subjects were…

A: Voluntary response sampling: In voluntary response sampling, the respondents select themselves into…

Q: is a sampling considered biased?

A: We know that The sampling method is called biased when it favors some outcomes over the others…

Q: When would you use purposive and representative sampling?

A: Often a researcher does a random sampling which includes people from every background and demography…

Q: After a Sampling Plan is developed- what are the steps in sampling?

A: Sampling: In statistical analysis, the sampling is defined as selection of subjects from the…

Q: Consider the results of a survey on whether a casino is to be built near a town. After reviewing the…

A: The given situation is a case of convenience sampling method. Because those who gamble agree…

Q: In conducting a statistical study about the number of hours full-time students work at Miramar…

A:

Q: In a sequential sampling plan, the first, second, third and fourth units are good, good, defective,…

A: answer is explained below

Q: provide an example using convenience sampling to design a study with 100 students

A: Convenience sampling is a method of non-probability sampling where the sample is  taken from the…

Q: A study shows that 80% of students in a school love to listen to music while studying, with a…

A: Given : A study shows that 80% of students in a school love to listen to music while studying, with…

Q: In acceptance sampling, usually 100% of the incoming lot is checked. True or False

A: Acceptance Sampling: It is concerned with decision related to acceptance of the lot.   There are…

Q: A sample of 426 U.S. adults age 50 and older were asked how important a variety of issueswere in…

A: Introduction: A population in Statistics is defined as the collection of all possible objects,…

Q: To determine customer opinion of their service, Business Depot randomly selects 50 stores during a…

A: In this case, we need to identify the correct sampling method for the given statement.

Q: If we wanted a random sample of students in a cafeteria, why couldn't we just take the students who…

A: Answer: Here random word itself says that we couldn't just take the students who order coke with…

Q: In a study, the sample is chosen by asking people on the street What is the sampling method? Simple…

A: In the given Question , The sample is chosen by asking any people on the street without any…

Q: A geography student in Parkville, Missouri is conducting a housing survey, including questions about…

A: It is given that she knows that about 38% of the people in Parkville live in apartments, and wants…

Q: Identify which sampling method is applied for each situation.

A: Given :

Q: A marble manufacturer advertises that its bags of marbles will contain 25% "milky-white" marbles.…

A: In the context, the sampling percentage of milky-white marbles, p̂ is 25%. The total number of…

Q: To determine customer opinion of their safety features, Daimler - Chrysler randomly selects 80…

A: In simple random sampling, each of the unit is population has equal chance of being selected in the…

Q: If 471 households were surveyed out of which 385 households have internet fiber cable, what is the…

A: Among 471 households 385 households have internet fiber cable, therefore 471-385 = 86 households…

Q: The school nurse would like to conduct a study on the sleeping habit of grade six students in their…

A: the school nurse would like to conduct a study on the sleeping habit of grade six students in their…

Q: To estimate the percentage of defects in a recent manufacturing batch, a quality control manager at…

A: The study is to obtain the which sampling to be used.

Q: An automotive manufacturer wants to know the proportion of new car buyers who pref foreign cars over…

A: A sample of 897 cars; n=897 304 preferred domestic cars; x=304 α=0.05

Q: If the sample size is decreased, then the sampling error will -- a. not change b. Increase c.…

A: The sampling error is sn.

Q: A sample of 426 U.S. adults age 50 and older were asked how important a variety of issueswere in…

A: Introduction: A population in Statistics is defined as the collection of all possible objects,…

Q: Explain the four different types of sampling and give an example of each.

A: Different types of sampling methods with examples.Types of random samplings(1) Simple random…

Q: Suppose the true proportion of voters in the county who support a new fire district is 0.53.…

A: The mean of the binomial random variable obtained by the formula μ=np, where (n) is the number of…

Q: 1. Come up with a sampling plan to find the proportion of dots that are red, and also an estimate of…

A: Given: A square of side 1 with numerous red and black dots

Q: Aspen trees tend to be smaller in the highlands of the park because they are subject to strong…

A: Systematic Sampling will be used here.

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

A: Given: The question posted online is: Have you ever been hit by a computer​ virus? Among the​…

Q: A television station asks its viewers to call in their opinion regarding the desirability of…

A: The convenience sample is obtained utilizing the subjects that are easily or conveniently available…

Q: In what is specific type of a sampling technique every 40th member of the population may…

A: A sample is a part of the population. The process of taking samples from the Population is called…

Q: The department head of a private secondary school in Marikina City surveyed randomly selected…

A: Given that  The department head of a private secondary school in Marikina City surveyed randomly…

Q: A market reseacher selects 500 drivers under 30 years of age and 500 drivers over 30 years of age.…

A: Stratified sampling a technique of sampling in which the researcher divides the population in to sub…

Q: Estimate the parameter 'p' in the sampling from binonial

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.