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?
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?
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section: Chapter Questions
Problem 8SGR
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Transcribed Image Text:CI for a Population Proportion
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 fight. Of 1600 randomly selected aircraft, 8 were found
to have a certain degree of wiring corrosion that could display inconsistent information to the fight 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?
O a.0.00154 gps 0.0o846. Required sample size is 299 to produce an estimate with 99% confidence that error would be
greater than 0.008
O b.0.00045 sp s 0.00955. Required sample size is 518 to produce an estimate with 99% confidence that error would be less
than 0.008
O. 0.00154 sp s0.00846. Required sample size is 299 to produce an estimate with 99% confidence that error would be less
than 0.008
O d.0.00045 sp <0.00955. Required sample size is 518 to produce an estimate with 99% confidence that eror would be
greater than 0.008
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