Using the same question from #3 A survey is done to find out the favorite movies of 500 children. The children are categorized into male and female, and a sample of 50 children is chosen. Answer the following question: If the number of female children is 300, what is the sample size of each stratum? male sample; 25 and female sample: 25 male sample: 40 and female sample: 10 male sample: 20 and female sample: 30 O male sample: 30 and female sample: 20

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: 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: uppose you take random samples from the following groups: freshmen, sophomores, juniors, and…

A: Stratified Random Sampling: The population is divided into subgroups then some members are chosen…

Q: what is sampling methods?   A large social media company wants to survey its users about their…

A: Sample is a small part (or) portion of the population. For example, to check the weights of male in…

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: Bopulation proportion of 1943 adults who were total abstainers and p, represent the population…

A: Solution: Given N1=1100,  X1=429 N2=1100,  X2=374 (α)= 0.05

Q: In your "Introduction to College Mathematics" class last semester, the instructor gave four tests.…

A: Given Scores90, 86, 70 , 80Possible sample size will be 1,2,3,4The data has been entered into excel…

Q: For the end of the semester, student evaluations. 6 out of the 39 students in a class completed the…

A:

Q: Identify the population and sample. In a random sample of California residents 78 said they had…

A:

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: Given 1,400 freshmen students with 600 male students and 800 female students, describe the way you…

A: The population is of freshmen students =1400The number of male students in  Strata-1 =600The…

Q: find the sample proportion with n=1,120 and x=616

A: The random variable X is normally distributed. X ~ B (n, p) The sample size is 1120. The number of…

Q: The Department of Health is conducting random drug testing in a barangay in relation to their age.…

A: Given information: It is given that the department of health is conducting random drug testing in a…

Q: Homer Simpson is interested in studying the ratio of the various colors of sprinkles on Lard Lad…

A: Introduction: Here, it is not mentioned whether the three donuts of each variety are chosen randomly…

Q: We asked students in our class about the reading time per day. We got 57 responses (the sample size…

A: given data n = 57x = 4390% ci for p

Q: In 1942 ​, an organization surveyed 1100   adults and​ asked, "Are you a total abstainer​ from, or…

A: The proportion of considered subjects, on which we are interested from a sample can be termed as…

Q: dy Question: 2. In order to determine the average weight of carry-on luggage by passengers in…

A:

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 city's telephone book lists 300,000 people. If the telephone book is the frame for a study, how…

A: Here population size, N=300000 Systematic sample is done on every 100th person i.e sampling interval…

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: Suppose 50% of all voters in a population support a politican, SHARE What is the zscore of sample…

A:

Q: In 1945, an organization surveyed 1100 adults and asked, "Are you a total abstainer from, or do you…

A: Let, X1= number of abstainer in the previous test n1= total sample size of the past test p1^ =…

Q: The proportion of all passenger who experiencing flight delay is sample statistics and can be…

A: Solution

Q: Given 1,400 freshmen students with 600 male students and 800 female students, describe the way you…

A: Given: Total population, N = 1400           Gender wise total population, for males, N1 = 600 and…

Q: how do you find the simple random sample of 15 restaurants?

A: In simple random sampling each member of the population has an equal chance of being included in the…

Q: Find the sample mean for the given data set 45,68,72,89,23

A: Answer: From the given data, 45,68,72,89,23 Sample size(n) = 5

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

A: Given :

Q: ter screens were randomly selected from a large collection of computer screens in a company’s…

A: A sample is a part of the population, which is selected from the population and if the sample is…

Q: Niles wants to learn more about British accents, so he divides Great Britain into 12 regions and…

A: Simple random sampling: A procedure for selecting a sample of size n out of a finite population of…

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…