Add an airport 77% of recent flights have arrived on time. Hey sample of 11 flights is studied. What is the main number of flights that are on time?

Q: 6TH GRADE 7TH GRAI 15 11

A:

Q: ow can I change it to a representative sample

A: In convenience sampling, the individual samples are easily determined and do not depend on…

Q: Nationally, 80 percent of adults own an automobile. You are interested in whether the same…

A: In the given condition, we are interested in examining the proportion of owning a car with the…

Q: Identify the sample, the population the sampling method, and then indicate whether the sample is…

A: Population: The experiment studies the proportion of adults who feel vulnerable to identity theft.…

Q: You are the operations manager for an airline and you are considering a higher fare level for…

A:

Q: Two boys divided equally their pay for stacking logs and each gave 10% of his share to charity. What…

A: Given, two boys divided equally their pay for stacking logs and each one of them gave 10% of their…

Q: 5. Choosing 2 letters from the word GREEN. Write the sample space.

A: The word GREEN  has 4 distinct letter.    (with no repetition of letter) .

Q: 1 V1 is 6, and V2 is 18; Calculte the total sample size: Answer:

A: We want to find the total sample size  V1=6 , V2=18

Q: You want to know what percentage of students own pets at your university. In asking 10 random…

A: In an observational study, researcher observes the individuals and measure the outcomes. In this…

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

A: Given, The data for the individual who thinks education is important (I) or not important (N) is…

Q: Mia randomly surveys students in her middle school to learn about their favorite type of novel. Of…

A: Given : Mia randomly surveys students in her middle school to learn about their favorite type of…

Q: A scientist wants to know if education level and marital status are related to all people in some…

A:

Q: Find the number of possible outcomes in the sample space. A room in a house needs to be painted. The…

A:

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: Claim: Most adults would erase all of their personal information online if they could. A software…

A: It is given that:

Q: Audio cassette tapes of a particular brand are claimed by the manufacturer to give, on average, at…

A: Solution: Given information: n= 64  Sample size μ=60 Population…

Q: Find the missing values in the ANOVA table for a study that consists of 5 treatments with 106 total…

A: Find the missing values in the ANOVA table for a study that consists of 5 treatments with 106 total…

Q: 4. Araceli, Bobby, Carl, Danna, and Echo are the top 5 students in Grade 10. What is the sample…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer one question at a…

Q: Jean is planning to take a foreign language class. To research how satisfied other students are with…

A: Jean is planning to take a foreign-language class. To research how satisfied other students are with…

Q: Pablo randomly picks four marbles from a bag of ten marbles (five red ones, three green ones, and…

A: Given data: The total numbers of marbles are n=10. The numbers of marbles selected are r=4. The…

Q: A circus operator randomly picked 5 day from the month of august to see how many people purchased…

A: Sample is the items randomly drawn from the population.

Q: 4. Describe how you collected your sample, do you think your sample is represen Discuss any sources…

A: Given a Pie Chart, we can get easily the proportions of sunfish, bass and carp

Q: Colin is a student in a consumer mathematics class creating a report on the annual interest rates of…

A: Using excel, the required z-score for each type of bank can be calculated as; 1. Enter the data into…

Q: A young couple is planning to have 2 children. What is the sample space? Write G for a girl and B…

A:

Q: Workplace Attire In a survey conducted by Opinion Research Corporation, 1000 adults were asked to…

A: a)The ‘percentage or %’ represents ‘divide by 100’.

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: The property manager for an apartment building wants to see which pizza delivery company delivers to…

A: Sampling is a technique which is used to take the sample from the population. Sampling has broadly…

Q: find sample coefficient of variation   2.5,2.6,2.8,3.5,2.9,3.4,3.1,3.2,3.6

A:

Q: Choosing 2 letters from the word GREEN. Write the sample space.

A: here given word "GREEN"  and sample space is set of all possible outcomes

Q: Q8. A couple is planning to have a family. They decide to stop having children either when they have…

A: We have to find sample space

Q: Ron found gold, silver and copper coin on his way home. He asked 10 people to choose a coin…

A: Solution:-Given:Ron found gold, silver and  copper coin on his way home. He asked 10 people to…

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: A public opinion poll in Ohio wants to determine whether registered voters in the state approve of a…

A: A public opinion poll in Ohio wants to determine whether registered voters in the state approve of a…

Q: iple that Is described. A researcher randomly selects 5 local fast food restaurants and then asks…

A: Here researcher randomly selects 5 local restaurant and then ask all school age children about…

Q: find sample coefficient of variation.     4,5,8,9,4,6,3,8,7,5,6

A:

Q: Very briefly, explain if the value in the dominator of the one sample and independent sample t test…

A: Major difference is the degrees of freedom

Q: 6. A large jar contains an unknown number of red gumballs and 150 green gumballs. As part of a…

A:

Q: A dice is rolled 5 times. How many possible rolls are there? Determine the values of the possible…

A: A dice is rolled 5 times. Each die has 6 equally likely outcomes. Thus, after rolling a die 5 times…

Q: Maddie surveys the 51 people in attendance at church today. Identify the sampling technique:…

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

Q: ToysGalore is researching customers’ opinions about prices on their new doll.  Name each sampling…

A: In simple random sampling procedure, each of the population unit has same chance of being included…

Q: A business college computing center wants to determine the proportion of business do if you have…

A: Given that, x=90,n=200 The sample proportion is,

Q: Billy has a bag of 30 marbles. He must choose only 6 marbles to bring for show and tell. What is the…

A: Given: The bag contains 30 marbles. He will choose only 6 marbles to bring for show and tell.

Q: Huck Finn is interested in the average length of catfish in the Mississippi river bordering St.…

A:

Q: george wants  to reserach how many people cheat on their  yearly taxes . He  asks 10 people at his…

A: Answer: Yes, it is a bad sampling strategy.

Q: Canvas generates a random exam by picking 6 questions from a bank of 9 questions. How many different…

A: Given : Question bank contain 9 questions .  n = 9 Picking 6 question from question bank for…

Q: Pablo randomly picks three marbles from a bag of eight marbles (four red ones, two green ones, and…

A: Given a bag contains 4 red, 2 yellow, 2 green marbles. 3 marbles are drawn at random. Need to find…

Q: 1. Trixy is doing her experiment for her project. The experiment consists of counting the number of…

A: We need to use the concept of random experiment and sample space.

Q: The average number of accidents at controlled intersections per year is 5.2. Is this average a…

A: Given, Sample Size, n = 48 Mean, μ = 5.2 Sample Mean, x¯ = 4.2 Standard Deviation, s = 1.98 Level of…

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.