A university dean is interested in determining the proportion of students who receive some sort of financial aid. Rather than examine the records for all students, the dean randomly selects 200 students and finds that 118 of them are receiving financial aid. If the dean wanted to estimate the proportion of all students receiving financial aid to within 2% with 95% reliability, how many students would need to be sampled?                           2324                           47                           562                           1186

Q: The student government at Nassau Community College has been told that the student population…

A: As due to the honor-code, we are authorized to answer only 3 subparts for each question and that you…

Q: .In a population divided into 4 strata, the sampling that is practiced in each of these strata is:…

A: In stratified random sampling, based on some characteristic, the population is divided into two or…

Q: To determine her heart rate, Samantha divides up her day into three parts: morning, afternoon, and…

A: We have given a sampling process just we need to name the sampling design.

Q: 团 D avernge By using $ wOR sample, estimate the number of carS per village in the block aloug with…

A:

Q: A grocery store manager wants to know if displaying cranberries near the entrance to the store…

A: P1 : Proportion of shoppers who buy Cranberries when they are near the store entrance. P2 :…

Q: A doctor wants to study the average time taken by the patients of a city in getting cured of common…

A: Statistical inference: If the data consists of different methods for estimating the sample and…

Q: A survey asked a random sample students if they estimated they spent more or less than an hour a day…

A: Given that   More  less  7th grade  24 25 8th grade 28 26 We have to find the number of…

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A:

Q: In a survey conducted by a reputable marketing agency, 248 of 1000 adults 19 years of age or older…

A: Given that ; Sample size (n) = 1000 adults No. Of adults using their cell phones in every bathroom…

Q: Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car…

A: i. Since caitlyn is interested in proportion of her coworker have comprehensive car insurance since…

Q: A. Teacher John wants to select a sample of 225 learners from the population which are grouped…

A: Given information: The number of sample, selected, n = 225 Total population, N = 35200 City…

Q: A. Teacher John wants to select a sample of 225 learners from the population which are grouped…

A: Sampling is the method to select the sample from the population. the sample is a part of the…

Q: At a large university, 80% of all students live on campus. Suppose a random selected from this…

A: At a large university 80% of all students live on campus; p=0.80 A random sample of 218 students is…

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

A:

Q: To determine her mood, Miranda divides up her day into three parts: morning, afternoon, and evening.…

A: Systematic sampling: When the population units occur in a sequence or pattern and a sample of size n…

Q: Determine the type of sampling used (simple random, stratified, systematic, cluster, or…

A: Simple random sampling: If a sample of n subjects is selected then every unit in the population has…

Q: 10. Marina sampled every tenth member of the population in her studies. What type of sampling would…

A: The objective is to find out which sampling method Marina used in her study.

Q: Construct a sequential sampling plan such that p1 = .07 and p2 = .30 with a = .05 and B = .10

A:

Q: Suppose the marketing company did a survey. They randomly surveyed 159 households and found that in…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of population…

Q: A researcher wants to study the effects of social media on Grade 11 Mathematics High School. He…

A: Note: " Since you have asked multiple questions, we will solve the first question for you. If you…

Q: A graduating education student is interested to know the engagement of senior high school students…

A: Stratified sampling: In stratified sampling the whole population is divided into two or more…

Q: Jennifer is interested in conducting a study in the amount of money people spend at her local…

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

Q: A coach is interested in how many slam dunks the average college seniors at his university can do.…

A: a)  Sample :- Ten volunteers from the senior class of the university

Q: Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car…

A: i) Since caitlyn is interested in proportion of her coworker have comprehensive car insurance…

Q: Martha Quinn is interested in the proportion of fast to slow songs she will play today. She takes…

A: We know that Simple Random sampling is a sampling technique in which every unit of the population…

Q: After a hurricane, a disaster area is divided into 200 equal grids.  Thirty of the grids are…

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

Q: A sample of 277 adults is selected. The adults are classified according to voter registration status…

A: For the given table find Relative frequency of registered to vote and prefer radio

Q: 1)Caitlyn has to determine how many of the 120 employees in her work place has comprehensive car…

A: Introduction -  Sampling - Sampling is a process used in statistical analysis in which a…

Q: Suppose the marketing company did a survey. They randomly surveyed 145 households and found that in…

A: Proportion is almost similar to the concept of probability. Proportion is a fraction of a population…

Q: Suppose 420 randomly selected people are surveyed to determine whether or not they subscribe to…

A: Given that, 420 randomly selected people are surveyed to determine whether or not they subscribe to…

Q: 4a. Suppose that 35% of senior citizens have a social media account. If we survey 150 senior…

A: The question is about sampling distribution Given : Prop. of senior citizens have a social media…

Q: A senior high school teacher is interested in knowing the average number of hours a teacher works in…

A: A senior high school teacher is interested in knowing the average number of hours a teacher works in…

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

A: Given Information: A random sample of 1164 new car buyers is drawn. Of those sampled 325 preferred…

Q: The table below shows the number of students in each section at a certain university, and Mohamed is…

A: We have to find sample taken from each section.

Q: An Internet survey asked 525 Facebook users whether the amount of time they spent using Facebook was…

A: From the provided information,

Q: Thirty two percent of all americans drink bottled water more than once a week (national resources…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: 4. The study "The Demographics of Social Media Users" (Pew Research Cen- ter, August 19, 2015)…

A: It is given that in a sample of 1602 adult American internet users, 72% adults are Facebook users.…

Q: Edison Middle School has 600 students: 200 in grade 6, 200 in grade 7, and 200 in grade 8. The…

A: The question tests your ability to pick a random sample that would satisfy the whole population.

Q: Which sampling technique is used if a researcher randomly selects and interviews 40 male and 40…

A: Stratified sampling: In stratified sampling the whole population is divided into two or more…

Q: Suppose we have the results of a Gallup survey (simple random sampling) which asks participants for…

A: Given data: Suppose we have the results of a Gallup survey (simple random sampling) which asks…

Q: 2.- A researcher wants to select a sample of 40 students from four private high schools, by…

A:

Q: A television station wishes to study the relationship between viewership of its 11 p.m. news program…

A: Given, Observed frequency (o) table : a) Null  and alternative hypothesis H0: Observed value equal…

Q: Suppose that 35% of senior citizens have a social media account. If we survey 150 senior citizens,…

A: Introduction: It is given that 35% of senior citizens have a social media account.

Q: 8. A university polled 500 of its students, randomly selecting them proportional to the number of…

A: Given that a university polled 500 of it's students, randomly selecting them proportional to the…

Q: Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast reaches 54% of the…

A: Given that : Based on the Nielsen ratings, the local CBS affiliate claims its 11 p.m. newscast…

Q: Suppose a company wants to determine the percentage of customers who shop online. How many customers…

A:

Q: To evaluate the current status of physical activity in university students at BU, a student in…

A: The Students at BU is the population

Q: In which one of the following sampling techniques, the samples are selected based on the proportion…

A: We have to find sampling technique.

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.