When each member of the population has an equal probability of being chosen, the sampling method is called

Q: Identify the sample space for a couple having four children.

A:

Q: A recent graduate chooses 4 continents to visit from the 7 in the world. What is the size of the…

A: A recent graduate chooses 4 continents to visit from the 7 in the world total=7 choose =4

Q: A university is polling its students. It selects 200 students at random in the same proportions as…

A: Stratified random sampling is a process of sampling which uses different groups of the population…

Q: the data were collected by asking the first 111 people who entered the store, then the type of…

A:

Q: college faculty consists of 400 men and 250 women. The college administration wants to draw a sample…

A: Given:  Population is devided into two groups men and women  No of men N1= 400  No of women N2= 250…

Q: A statistics professor wants to know how her students feel about an introductory statistics course…

A: Cluster sampling: In cluster sampling the whole population is divided into different sections or…

Q: Suppose that 40% of all people in a certain population have brown hair. If a random sample of 100…

A:

Q: A sample of students is collected by randomly selecting 20 students from each of the 58 community…

A: It is specified that 20 students from each of 58 community colleges are randomly sampled.The…

Q: Mrs. Feleo samples her class by selecting every ninth person on her class list. Which type of…

A: Mrs. Feleo samples her class by selecting every ninth person on her class list

Q: You need to select a simple random sample of three from nine friends who will participate in a…

A: Random number table:Here, there are 9 friends and has been assigned a number from 1 to 9. A simple…

Q: Give the appropriate type of random sampling for each item. Justify your answers. The teacher…

A: Appropriate random sampling method. 1) Teacher randomly selected 6 students in their class to…

Q: A survey of students living in a high-rise residence is to be conducted. The residence has 10…

A: Here it is a two stage sampling because there is randomization in the two stages. First…

Q: A researcher divided subjects into two groups according to gender and then selected 200 members from…

A: Since we know that In stratified sampling we divided homogeneous groups from the heterogeneous…

Q: Identify the sampling techniques used in each scenario. A student committee in the biology…

A: Here, in the biology department there are 3 level of students. First year, second year, third year.

Q: Please give two types of sampling that causes bias. Give an example of each

A: Sampling : It is the statistical method which is used to take sample from population in a different…

Q: researcher decided to study the dietary habits of community college students. She did so in a way to…

A: Solution: The sampling methods can be classified into two types 1) Probability or random sampling…

Q: A company is started by four friends. The company was Erica’s idea, so she wants to fill 70% of the…

A:

Q: The names of all 50 students in a class are written on identical slips of paper, and the slips are…

A: The sample can be drawn from population in different ways. Some of the basic sampling methods are…

Q: Please help me figure out how to find the P value for the sample.

A: Select a cell outside of the "Observed data" and "Expected data" tables.

Q: A six-sided die is rolled twice and the mean of the two results is solved. Construct the sampling…

A:

Q: A researcher wanted to know the average screen time (in hours) of the students using cellphone.…

A: It was stated that a researcher wanted to know the average screen time (in hours) of the students…

Q: A survey of students living in a high-rise residence is to be conducted. The residence has 10…

A: When the population consists of mutually homogenous but internally heterogeneous groups. A…

Q: A meeting of consuls was attended by 4 Americans and 3 Germans. If three consuls were selected at…

A: Given: The number of Americans in a meeting consuls are n(A)=4. The number of Germans in a meeting…

Q: Amanda is writing an article for the school newspaper about social media use among teens. She wants…

A: As per our guidelines, we are allowed to answer first three sub-parts only. Thanks   A random sample…

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

A: Given :

Q: Both Spinner A and Spinner B have equal-sized sections, as shown at the right. Make a table to…

A: As per given by the question and figure, there are two equal size spinner, spinner A and spinner B…

Q: There are 30 boys and 20 girls in a class. If a teacher selects a sample of boys and girls as per…

A: Stratified Random Sampling: The population consists of N units which is divided into k relatively…

Q: Each customer entering a department store will either buy or not buy some merchandise. An experiment…

A: To determine the number of sample points in the experiment, we need to consider the possible…

Q: Of the 150 students in the third year group at a school, 60 are boys. Stratified random sampling was…

A:

Q: The number of books sold over the course of the four-day book fair were 174, 171, 259, and 67.…

A: Total number of possible samples =4*4 =16 (As 4 choices for each value).As all sample occur with…

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: The equation of the curve passing through (1,2) and whose D.E. is xdy + ydx = x³dx A.) 4xy + x¹-7=0…

A:

Q: A marketing firm wants to collect information on certain products in a city of 800 000 people. The…

A: Given : A marketing firm wants to collect information on certain products in a city of 80000 people.…

Q: You need to select a simple random sample of three from nine friends who will participate in a…

A: Random sampling is done to avoid any kind of biasing in the sample drawn from a population. To make…

Q: ary school (grades 1 - 5) is considering making changes to the bus schedule. She selects a random…

A: In stratified sampling, the population is divided in such a way that it is homogeneous within the…

Q: Identify the sampling techniques used in each scenario. e. surveying movie-goers as they exited the…

A: This is an example of convenience sampling.

Q: A coach puts the names of all the basketball players into a hat and draws one name for a free…

A: Simple Random Sample A sampling technique where each events of the population has the equal chance…

Q: A company that produces television shows is interested in what type of show people would like to…

A: Given Study : A company that produces television shows is interested in what type of show people…