You are the operations manager for an airine and you are considering a higher fare level for passengers in aisle seats. How many randomly selected air passengers must you survey? Assume that you want to be 90% confident that the sampi percentage is within 1.5 percentage points of the true population percentage. Complete parts (a) and (b) below. A. Assume that nothing is known about the percentage of passengers who prefer aisle seats. (Round up to the nearest integer) b. Assume that a prior survey suggests that about 35% of air passengers prefer an aisle seat. (Round up to the nearest integer.)

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: Because of practical considerations you ultimately decide to survey 100 people and find that 75 of…

A: Solution-: Number of people in survey =100 Number of people prefer to work at home = 75 We want to…

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 = 4.5% = 0.045 90% confident  Level of significance = 10% = 0.10

Q: Some states now allow online gambling. As a marketing manager for a​ casino, you need to determine…

A: Given Data : Margin of error: ME = 0.02 sample proportion: p̂ = 0.5…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: From the provided information, Confidence level = 99% Margin of error (E) = 5% that is 0.05 Assuming…

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

A: Given Information:Margin of error, E=1.5%=0.015Confidence level, c=95%=0.95

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

A:

Q: When 500 junior college students were surveyed,120 said that they have previously owned a…

A: When 500 junior college students were surveyed,120 said that they have previously owned a…

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A: From the provided information, Margin of error (E) = 0.03 Confidence level = 95%

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

A: Given,margin of error(E)=0.055

Q: A quality-conscious disk manufacturer wishes to know the fraction of disks his company makes which…

A:

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

A: a)

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

A: Solution

Q: Some states now allow online gambling. As a marketing manager for a casino, you need to determine…

A: given data, here proportion value is not given so assume that p=q=0.5E= no more than 3%E≤0.03n=?

Q: A supermarket has 500 employees. They want to survey 50 employees about new options in the vending…

A: The following information has been given: The population size is N=500. The sample size is n=50.

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

A:

Q: A programmer plans to develop a new software system. In planning for the operating system that he…

A:

Q: A survey of 250 households showed 71 owned at least one snow blower. Find a point estimate for p,…

A: Solution-: X=71, n=250 We want to find the point estimate of p?

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

A:

Q: The FBI wants to determine the effectiveness of their 10 Most Wanted list. To do so, they need to…

A: Given n=716 x=279

Q: A programmer plans to develop a new software system.  In planning for the operating system that he…

A: From the provided information, Margin of error (E) = 1% or 0.01 Confidence level = 90%

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: a) From the given information, Margin error = 0.055 Assume sample proportion = 0.5   Critical value:…

Q: Assume that nothing is known about the percentage of passengers who prefer aisle seats. n= (Round up…

A: It is given asMargin of error, E = 1.5% = 0.015Confidence level = 99%

Q: Anna teaches a small class of 14 students.  She recently gave them an exam (out of 100 points).  The…

A: Given  The data are 0, 15, 58, 75, 78, 82, 84, 84, 89, 91, 94, 98, 100,100 n=14

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

A: Note- Solving part B only.

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.