An article, Foul drinking water aboard airlines worsens, in The Seattle Times (January 2005) reported that 29 out of 169


An article, “Foul drinking water aboard airlines worsens,” in The Seattle Times (January 2005) reported that 29 out of 169 water specimens from randomly selected passenger aircraft carrying domestic and international passengers tested positive for the presence of bacteria, thus failing to meet federal safety standards.
a. Use these data to estimate, with 95% confidence, the population proportion.
b. Interpret your answer from part (a).

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Related Book For  answer-question

Introduction To Statistical Investigations

ISBN: 9781118172148

1st Edition

Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy

Question Details
Chapter # 3- Estimation: How Large Is the Effect?
Section: End Of Chapter Questions
Problem: 1
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Question Posted: June 22, 2018 02:28:45