A question is asked of a class of 2700 freshman, and 25% of the students know the correct answer. If a sample of 81 students is taken repeatedly, answer the following questions.
Q: Nolan surveyed 7 teachers from each academic department at school. Each department has an equal…
A: Given: 7 teachers from each academic department surveyed Each department has an equal number of…
Q: A recent survey of 537 California college students found that 481 had taken an online class in the…
A:
Q: The Human resource team is surveying employee satisfaction. Among the stores it has around the…
A: cluster sampling and how the human resource team's approach to surveying employee satisfaction using…
Q: If "C, = "C,, then n is equal to 4.
A:
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: 00 subjects were studied and 120 of them expressed a preference for brand x, what percentage…
A: The 200 subjects were studied; n=200 120 of them expressed a preference for brand x; x=120
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: Identify the population and sample. In a random sample of Salinas residents, 137 said they would…
A: Population: The population in a statistical study is the entire group of individuals about which we…
Q: A survey of 150 people revealed that 115 people like ketchup on their hot dogs, 85 people like…
A: Concept of General Addition Rule: For any two events A and B the General Addition Rule state that:
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: se Brianna's sample to estimate the number of red gumballs in the jar.
A: Given that Class jar containing 200 gumballs of two different colors (Red and green) Brianna draws…
Q: Of the 328 patients that completed the survey last year, 211 of them claimed to be returning…
A: Given: 328 patients completed the survey 211 patients returning
Q: In a survey of 1536 adults, 36% responded "yes" to the survey question. How many adults answered…
A: From the provided information, Sample size (n) = 1536 36% responded “Yes” to the survey question.…
Q: class contains 8 students. Find the number of ordered sample of size 3 with replacemen
A: Since , the class contains 8 students. Our aim is to find the number of ordered sample of size 3…
Q: Suppose a certain virus (sorry!) affects 0.3% of the population. A test used to detect the virus is…
A: 0.3% of 100000 population have virus. 0.3*100000/100= 300 people have virus. 88% have virus and…
Q: In this type of questionnaire, the researcher records the responses but is not in the same location…
A: For this kind of questionnaire, the respondents receive it via mail from the researcher, who they…
Q: 36% of the children in a school have a dog, 24% have a cat, and 12% have a dog and a cat. What…
A: The percent of those who have a cat also have a dog is, PDog|Cat=PDog ∩…
Q: Gender Yes Girls 537 328 Вoys 532 234 Conduct a test of hypothesis to determine if the two…
A: Given that the total sample of size N=1096 teenage surveyed. The data about the teenagers that uses…
Q: If 200 subjects were studied and 120 of them expressed a preference for Brand X, what percentage…
A: The total number of subjects is 200.
Q: bookstore found out that 23% of their customers buy a book, 34% of their customers buy 2, and 39%…
A: Given : A bookstore found out that ; 23% of their customers buy 1 34% of customers buy 2 books 39%…
Q: a. What value should we expect for our sample proportion?
A: Let p be the population proportion of high school seniors who have a driver's license.Given that,
Q: You survey 100 people and find that 75 of them would prefer to work at home to some extent. When…
A: Given: You survey 100 people and find that 75 of them would prefer to work at home to some extent.…
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: How many success in the sample? How many failures in the sample? ? What size sample does the…
A: Answer:- Given, n=1800
Q: 30% of Grandpa Neil's stamps have images of flags on them. If he has 75 flag stamps, how many stamps…
A: In question, Given that 30% of Grandpa Neil's stamps have images of flags on them. If he has 75 flag…
Q: i need 20 to be 30 for the sample section
A: The mean is 1.8 and the standard deviation is 0.5.
Q: Find an article of your choice which uses proportions, and copy and paste the address of that…
A: The objective of the question is to understand the concept of sample proportions and how they are…
Q: Suppose that 35% of people own dogs. If you pick two people at random; what is the percent that they…
A: Solution: From the given information, the probability of people own dog is 0.35. Here, two people…
Q: Classify each sample as random, systematic, stratified, or cluster and explain your answer. Every…
A: Classify each sample as random, systematic, stratified, or cluster and explain your answer. Every…
Q: At a football game, 40 fans were randomly surveyed. Of the sampled fans, 6 named Daren as the best…
A: The objective of this question is to estimate the number of fans who would likely name Daren as the…
Q: Find the median of the given sample: -11, -12, -10, 9, -8, -7, -6 O -10 -8 -9
A:
Q: Please answer questions below Below is a sample of 64 responses of a survey of Ward 3 residents in…
A: Note: "Since you have posted a question with multiple sub -parts , we will solve first three sub…
Q: $40-million renovation of its state fairgrounds, which included the building of a miniature golf…
A: Hypothesis testing
Q: Find the value of the test statistic. Find the p-value. (Round your answer to three decimal places.)…
A: Null Hypothesis: H0: There is no difference in the average ratings among the three products.…
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: A recent survey reports that 22% of students take the bus to campus. If 660 students commute to…
A:
Q: In a sample of 169 students, 16 said they have donated blood. What percent of the students have…
A: Given that, In a sample of 169 students, 16 said they have donated blood.
Q: Identify the type of sample ( Experimental or Observational) Then tell if the sample is biased…
A: The researcher stands at a shopping mall and selects the first 75 shoppers as they walk by to fill…
Q: . A. Ventura is interested in determining what kinds and how many pets people own in Bakersfield. He…
A: Provided information is, Dr. A. Ventura is interested in determining what kinds and how many pets…
population proportion,p = 0.25
sample size n = 81
Step by step
Solved in 4 steps with 1 images
- During a basketball practice mai attempted 40 free throws and was successful on 25% of them. How many successful free throws did she make?Suppose you are asked to toss a coin 16 times and calculate the proportion of the tosses that were heads?Hi, please find the sample for each random number. choosing an odd number from 1 to 11 at random.
- The nationwide adult smoking rate is 17.3%. In a random sample of 3647 American adults, how many of these are likely to smoke? Round to the nearest integer.Three hundred twenty students took a test where the scores are normally distributed. Paul's score was in the 80th percentile. How many students scored at or below Paul's score?In a sample of 600 college students, 87.2% said they graduated from high school. How many of the students graduated from high school?
- In a Harris poll of 2302 adults, 14% said they have a tattoo. Approximately how many adults have a tattoo?The manager of a book store surveys people who buy mystery novels to see if the store should expand its hours. What is the population and the sample here?A statistics class is made up of 12 men and 18 women. What percentage of the class is male?
- A sample of Reese's pieces contains the following: 30 Orange, 40 Brown, 20 Yellow. What is the proportion of orange? Round to two places.In an opinion poll, 715 or 63% of people interviewed were opposed to the issue asked. How many people were interviewed?A school newspaper reporter decides to randomly survey 17 students to see if they will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she knows that 11% of students attend Tet festivities. We are interested in the number of students who will attend the festivities. How many of the 17 students do we expect to attend the festivities?