PLEASE ANSWER WITH IN 30 MINUTES AND SHOW COMPLETE SOLUTION CI for a Population ProportionResearch in third party aircraft maintenance department reported the results of an investigation into wiring corrosion on commercial transport aircraft that maylead to faulty overhead display information to the flight crew. Such a wiring corrosion may be detrimental to the safety of any commercial flight. Of 1600randomly selected aircraft, 8 were found to have a certain degree of wiring corrosion that could display inconsistent information to the flight crew.Find a 99% confidence interval on the proportion of aircraft that have such wiring corrosion. Suppose that we use the information to provide preliminaryestimate of . How large a sample would be required to produce an estimate of p that we are 99% confident differs from the true value by at most 0.008?O a. 0.00154

Given The data is as follows: CL=0.99x=8n=1600

Answered: CI for a Population Proportion Research…

College Algebra (MindTap Course List)

12th Edition

ISBN:9781305652231

Author:R. David Gustafson, Jeff Hughes

Publisher:R. David Gustafson, Jeff Hughes

Chapter8: Sequences, Series, And Probability

Section8.7: Probability

Problem 58E: What is meant by the sample space of an experiment?

See similar textbooks

Similar questions

What is meant by the sample space of an experiment?
Research in third party aircraft maintenance department reported the results of an investigation into wiring corrosion on commercial transport aircraft that may lead to faulty overhead display information to the flight crew. Such a wiring corrosion may be detrimental to the safety of any commercial flight. Of 1600 randomly selected aircraft, 8 were found to have a certain degree of wiring corrosion that could display inconsistent information to the flight crew. Find a 99% confidence interval on the proportion of aircraft that have such wiring corrosion. Suppose that we use the information to provide preliminary estimate of . How large a sample would be required to produce an estimate of p that we are 99% confident differs from the true value by at most 0.008? a. 0.00045 ≤ p ≤ 0.00955. Required sample size is 518 to produce an estimate with 99% confidence that error would be greater than 0.008 b. 0.00154 ≤ p ≤ 0.00846. Required sample size is 299 to produce an estimate with 99%…
A marketing study with a random sample of 400 results in 160 subjects reacting positively to the proposed product. Determine the 95% confidence interval for the population proportion.
An environmental science teacher at a high school with a large population of students wanted to estimate the proportion of students at the school who regularly recycle plastic bottles. The teacher selected a random sample of students at the school to survey. Each selected student went into the teacher’s office, one at a time, and was asked to respond yes or no to the following question. Based on the responses, a 95 percent confidence interval for the proportion of all students at the school who would respond yes to the question was calculated as (0.584, 0.816 ). (b) Given the method used by the environmental science teacher to collect the responses, explain how bias might have been introduced and describe how the bias might affect the point estimate of the proportion of all students at the school who would respond yes to the question.
An environmental science teacher at a high school with a large population of students wanted to estimate the proportion of students at the school who regularly recycle plastic bottles. The teacher selected a random sample of students at the school to survey. Each selected student went into the teacher’s office, one at a time, and was asked to respond yes or no to the following question. Based on the responses, a 95 percent confidence interval for the proportion of all students at the school who would respond yes to the question was calculated as (0.584, 0.816 ). (a) How many students were in the sample selected by the environmental science teacher?
An environmental science teacher at a high school with a large population of students wanted to estimate the proportion of students at the school who regularly recycle plastic bottles. The teacher selected a random sample of students at the school to survey. Each selected student went into the teacher’s office, one at a time, and was asked to respond yes or no to the following question. Based on the responses, a 95 percent confidence interval for the proportion of all students at the school who would respond yes to the question was calculated as (0.584, 0.816 ). (c) The statistics teacher at the high school was concerned about the potential bias in the survey. To obtain a potentially less biased estimate of the proportion, the statistics teacher used an alternate method for collecting student responses. A random sample of 300 students was selected, and each student was given the following instructions on how to respond to the question. • In private, flip a fair coin. • If heads, you…
In order to judge the effectiveness of an advertising campaign for a certain brand of pretzel, a company obtained a simple random sample of 95 convenience store receipts the week before the ad campaign began, and found that 28 of them showed a purchase of the pretzels. Another simple random sample of 65 receipts was taken the week after the ad campaign, and 33 of them showed a pretzel purchase. Construct a 98% confidence interval for the difference between the proportions of customers purchasing pretzels before and after the ad campaign. Interpret the results. A marketing manager claims that the proportion of customers who purchased pretzels did not change after the ad campaign. Does the confidence interval contradict this claim?
In a recent Zogby International Poll, nine of 48 respondents rated the likelihood of a terrorist attack in their community as “likely” or “very likely”. Use the “plus four” method to create a 98% confidence interval for the proportion of American adults who believe that a terrorist attack in their community is likely or very likely. Interpret your confidence interval.
In studying an anomaly in chick embryos, 50 fertilized eggs were injected with a treatment on the fourth day of incubation. On the twentieth day of incubation, the embryos were examined and in 12 the presence of the abnormality was observed. Find a 95% confidence interval for the proportion of fertilized eggs that showed no abnormality. (A) ( 0.142, 0.374 ) (C) ( 0.625, 0.857 ) (B) ( 11.142, 12.857 ) (D) ( 37.142, 38.857 ) If you feel the answer is none of the choices given, submit no answer to the question.
1. A recent survey showed that from a sample of 500 packages delivered by a Postal Service, 480were delivered on time. a) Construct a 95% confidence interval for the proportion of all packages that are deliveredon time by the Postal Service.
In a study by Sallie Mae and Gallup, 323 of the 569respondents said that they paid for their education by taking out student loans. Find a 95% confidence interval for the proportion of students who paid for their education by taking out student loans.

Recommended textbooks for you

College Algebra (MindTap Course List)

Algebra

ISBN:

9781305652231

Author:

R. David Gustafson, Jeff Hughes

Publisher:

Cengage Learning

College Algebra (MindTap Course List)

Algebra

ISBN:

9781305652231

Author:

R. David Gustafson, Jeff Hughes

Publisher:

Cengage Learning

SEE MORE TEXTBOOKS