You are the operations manager for an airline and you are considering a higher fare level four passengers in aisle seats how many randomly selected are passengers must you survey assume that you want to be 99% confident that the sample percentage is within 2.5% Dodge points of the true population percentage

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

A: It is given that margin of error (E) is 0.045 and the confidence level is 0.99.

Q: A study considered the question, "Are you a registered voter?" Accuracy of response was confirmed by…

A: Interval means the boundary to the values. The minimum boundary is the lower limit and the maximum…

Q: You are the operations for American Airlines and you are considering a higher fare level for…

A: Note:Since, in this question nothing is given about the percentage of passengers who prefer aisle…

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

A: Find z-critical value: For the two-tail test, Area on each tail. Area to the left of the normal…

Q: A randomly selected sample of 1000 college students was asked whether they had ever used v. the drug…

A: v. The number 16% is calculated based on the sample of 1000 college students. Thus, it is a sample…

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

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Q: According to a polling organization, 22% of adults in a large region consider themselves to be…

A: Given that, p=0.22 And sample size, n= 200 q= 1-p= 1-0.22 = 0.78 Z = (p-P)/√pq/n

Q: A high school wanted to know what percent of its students smoke cigarettes. Counselors selected a…

A: Population is the set of all objects of interest. Sample is s subset of the population. It is not…

Q: You are conducting contract research for a client that involves a questionnaire survey. The client…

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Q: A community is considering raising funds to pay for improvements to the community swimming pool. To…

A: Convenience sampling: A convenience sample is a type of non-probability sampling method where the…

Q: To determine how American college students feel about commuting, 100 students at a private…

A: In order to determine how the students, feel about commuting, 100 students at a private university…

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

A: a)  Given,            Margin of Error ∈=0.055            Assume P∧=0.5            and…

Q: In an election, the population consists of the people who voted. Although there is overall data on…

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

A:

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

A:

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

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: The survey has bias. (a) Determine the type of bias. (b) Suggest a remedy. A pro-military advocate…

A: Response error If the survey are being conducted in patriotic group for increasing the funding for…

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

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Q: 6.Professor Jennings claims that only 35%of the students at Flora Collegework while attending…

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Q: You constructa sample in which Whites, Blacks, and Latinos are randomly selected from the U.S. adult…

A: Given Information: To find out the correct answer.

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

A:

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

A: The given information is as follows: The confidence level is (1–α) = 99%. From this, the level of…

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

A:

Q: You construct a sample in which Whites, Blacks, and Latinos are randomly selected from the U.S.…

A: Given that :  The composition of final sample is  White = 25%  Black = 30%  Latino = 30% You sample…

Q: WITHOUT YOUNG CHILDREN WITH YOUNG CHILDREN 8- 7 7. -60 -45 -30 –15 ó 15 30 45 60 75 90 105 120 135…

A: 1) 1) The 60 sites had an exit time before 8:30 A.M.  Without Young Children : 1+2=3 With Young…

Q: Hiring In preparing a report on the economy, we need toestimate the percentage of businesses that…

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Q: According to a polling organization, 22% of adults in a large region consider themselves to be…

A: The Hypothesis testing is always done for the population parameter never for the sample parameter.…

Q: A university is considering implementing one of the following three grading systems: (1) All grades…

A: Given   Grading System     Pass-Fail 4.0 and Pass- fail 4.0 Row Marginal Fine art 26 55 19…

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

A: Given that the confidence level is 90% and the margin of error is 1.5%. From the standard normal…

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

A: Given data, z-value at 95% confidence is Zc=1.96E=1.5% =0.015

Q: 2. A scientist is studying the effect of exercise on blood pressure. He studie 20 people who…

A: An observational study is a study where a researcher uses observed information to learn or study…

Q: Does this indicate that the population proportion of guests who catch pike over 20 pounds is…

A: Given :              P=0.75Total guest in summer (x) =65sample size (n)=84  p^=xnp^=6584p^=0.7738 a)…

Q: You are interested in learning about the reading habits of the residents of Fairmont. To develop a…

A: Since you have posted a question with multiple subparts, we will solve first three subparts for you.…

Q: Identify the kind of sample that is described. An electronics store polls 300 customers who bought…

A: Sampling is a statistical technique in which group objects are selected from a population. A sample…

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

A:

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

A: The given data are confidence interval=90%then, α=0.1E=0.035

Q: A randómly selected sample of 1000 college students was asked whether they had ever used V. the drug…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A study considered the question, “Are you a registered voter?”  Accuracy of response was confirmed…

A: Given Information : A study considered the question, “Are you a registered voter?”  Accuracy of…

Q: the drug STC sixteen percent (16%) of the 1000 students survived said they had. which one of the…

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

A: Solution: a. From the given information, confidence level is 0.99 and E=0.025. Since the proportion…

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

A:

Q: ccording to a recent​ census, 15​% of the people in the United States are of Hispanic origin. One…

A: Given: Sample size (n) = 435. Population proportion (p) = 0.15

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

A: a) Given confidence level is 95% and the margin of error is 3.5% points. The significance level is…

Q: You want to do a survey of members of the baseball team at Georgetown College to see how they feel…

A: Solution :  Simple random sampling : It is most commonly used method of sampling. In this method,…

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

A: From the provided information, Margin of error (E) = 1.5% that is 0.015 Confidence level = 95%

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

A: Given that  Margin of error =E =1.5%=0.015 99% confidence.

Q: 7. Financial businesses assign a standardized credit score to each individual who conducts financial…

A: As the population standard deviation is not known, we will use a t-test. The null and alternative…

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.