A middle school has 250 students. Jenny surveys a random sample of 50 students and finds that 15 of these students picked math as their favorite subject. How many students at the school are likely to pick math as their favorite subject? Group of answer choices

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A: Simple random sampling: Simple random sampling is defined as a method of sampling in which, a sample…

Q: Group A is a sample of 15 people Group B is a sample of 15 people What are the total degrees of…

A: Given data isGroup A sample size(n1)=15Group B sample size(n2)=15

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Q: At The Fencing Center, 60% of the fencers use the foil as their main weapon. We randomly survey 28…

A: Given n=28 P=1-0.6=0.4

Q: You are applying for a job at two companies. Company A offers starting salaries with μ=$34,000 and…

A: According to the provided information, Company A offers starting salaries with   μ=$34,000 σ=$1,000.…

Q: A politician is Interested in the proportion of voters in his district that think he is doing a good…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: Use your calculator with a seed value of 33 to randomly select one of the groups (1-3). For each…

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Q: A politician is interested in the proportion of voters in his district that think he is doing a good…

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Q: a sample of students is taken from the school A honor roll. The school estimates that there are…

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Q: Stephanie wants to order a flower arrangement for her mom's birthday. The vase and flower options…

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Q: For adults, certain type of cancers can be treated with multiple health interventions.  To gain…

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Q: tudent Travel Over Spring Break Travel Plans Number of Students Not traveling 34 Traveling by…

A: GivenTravel plans                          Number of studentsNot travelling…

Q: A high school principal wanted to know  how the teachers at her school felt about early dismissal…

A: A high school principal wanted to know  how the teachers at her school felt about early dismissal…

Q: A group of cruise guests were surveyed about their taste in music. They were asked how they liked 3…

A: Let's denote Rock as R , Western as W and classical as C. It is given that no one dislikes all the…

Q: This two-way table shows the results of asking students if they prefer to have gym class in the…

A: given- This two-way table shows the results of asking students if they prefer to have gym class in…

Q: A jar has contains 2 yellow jelly beans, 3 purple jelly beans, 2 brown jelly beans, and 4 blue jelly…

A: Total number of jelly beans n=11 Number of yellow jelly beans =2 Number of purple jelly beans =3…

Q: Why are students missing so much school in the district? A district administrator chooses one of the…

A: A survey is a process of data collection, where the surveyor gives a set of questions to all or a…

Q: Clara needs to purchase a new dress for a dance. There are several malls near her location. She…

A: Sample and population is an important concept of statistic. Population means a collection of all the…

Q: twenty eight percent of sweatshirts ordered from an online clothing store are blue. last winter they…

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Q: A class contains 10men and 20 women of wich half of the men and half of women have brown eyes. Find…

A: From the provided information, A class contains 10 men and 20 women. Half of the man have brown eyes…

Q: A psychologist is concerned about the health of veterans returning from war. She examines 37…

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Q: No need for thorough Explanation. The research department of a five-star hotel conducted a survey.…

A: Given In a research department of a five star hotel conducted a survey it is found that in 2230…

Q: An Experiment has four steps with three possible outcomes in the first step, four possible outcomes…

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Q: The marketing department of an airline wants to show management that more than 60% of business…

A: We conduct Z test for one proportion.

Q: Each month, the census bureau mails survey forms to 250,000 households asking questions about the…

A: The census bureau mails survey forms to 250,000 households.

Q: 1. Andre is in the band and he is conducting an experiment to determine if high school students find…

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Q: Give a table with the expected counts for each of the 10 cells. Round your answers to two decimal…

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A: We know that (1 – β) is known as power. And β is known as the probability of making Type II error.…

Q: A group of cruise guests were surveyed about their taste in music. They were asked how they liked 3…

A: This problem can be done by drawing Venn diagram or writing in form of set expression, here below…

Q: The proportion of commuters on PSU – Berks campus is purported to be 65%. A professor believes this…

A: Given P0=65% = 0.65 Let X = Number of commuters on PSU  X = 200 n = 300

Q: Andre is in the band and he is conducting an experiment to determine if high school students find…

A: Andre selecting 5 students from band to listen classical music. Then he again selects 5 students…

Q: Cable TV choices: A telecommunications company provided its cable TV subscribers with free access to…

A: From the provided information, Sample size (n) = 390 From which 30 replied. Level of significance…

Q: A refrigerator contains 6 apples, 5 oranges, 10 bananas, 3 pears, 7 peaches, 11 plums, and 2 mangos.…

A: Given information We have given that, a refrigerator contain 6 apples, 5 oranges, 10 bananas, 3…

Q: high school principal wanted to know how the teachers at her school felt about early dismissal for…

A:

Q: A researcher wants to determine the average amount of minutes it takes for a medicine to reduce…

A: 1. Population under study is the collection of all  the units which are of interest under study, in…

Q: A​ start-up company is about to market a new computer printer. It decides to gamble by running…

A: Given that,possible chances (x)=171sample size(n)=418success rate ( p )= x/n = 0.4091success…

Q: At an investment bank, 75% of the clients have at least 1m in their account.Futhermore suppose that…

A: Let us denote: A= event that the client has at least 1m in his/her account B= event that the client…

Q: Identify the potential source of bias in each situation:

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Q: When making an ice cream sundae, you have a choice of 33 types of ice cream flavors: chocolate (C),…

A: Given, 3 types of ice cream flavors: chocolate (C), vanilla (V), or Moose Tracks (M) 2 types of…

Q: When making an ice cream sundae, you have a choice of 44 types of ice cream flavors: chocolate (C),…

A: According to question when making an ice cream sundae there are 44 types of ice cream flavors…

Q: 80 percent of UNO students drive to campus. Which is more likely (a) Out of 10 randomly selected UNO…

A: According to the provided information, 80% of the UNO students drive to campus (A) Out of 10…

Q: Find the total number of possible outcomes in the following sample space (your answer should be a…

A:

Q: A​ start-up company is about to market a new computer printer. It decides to gamble by running…

A: Given that,possible chances (x)=171sample size(n)=418success rate ( p )= x/n = 0.4091success…

Q: 5. Wellstone Inc. produces and markets replacement covers for cell phones in a variety of colors.…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts of a…

Q: hool newspaper reporter decides to randomly survey 17 students to see if they will attend Tet…

A: Given data, n=17 he knows that 11% of students attend Tet festivities.  p=11%=0.11 How many of the…

Q: Cecil has blue, red, green, and black pens in his bag. This table shows how many of each type of pen…

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Q: Our class is creating a new academic team, the Data Managers. The team will have 4 members to…

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Q: A state official wants to know which party the voters in his state feel is best qualified to lead…

A: It is given that, he mails a questionnaire on this subject to an SRS of 1600 voters in his state.

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.