An Introduction to Statistical Methods and Data Analysis
7th Edition
ISBN: 9781305269477
Author: R. Lyman Ott, Micheal T. Longnecker
Publisher: Cengage Learning
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Textbook Question
Chapter 10.11, Problem 7E
The test for screening donated blood for the presence of the AIDS virus was developed of the test, 1,000 persons known to have AIDS and 10,000 persons known to not have AIDS were given the test. The following results were tabulated:
- a. Place a 99% confidence interval on the proportion of false positives produced by the test.
- b. Is there substantial evidence (α = .01) that the test produces less than 5% false positives.
in the 1980s. It is designed to detect antibodies, substances produced in the body of donors carrying the virus; however, it is not 100% accurate. The developer of the test claimed that the test would produce fewer than 5% false positives and fewer than 1% false negatives. In order to evaluate the accuracy
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Check out a sample textbook solutionChapter 10 Solutions
An Introduction to Statistical Methods and Data Analysis
Ch. 10.11 - Prob. 1ECh. 10.11 - For each of the following values for and n,...Ch. 10.11 - Prob. 3ECh. 10.11 - A random sample of 1,200 units is randomly...Ch. 10.11 - A public opinion polling agency plans to conduct a...Ch. 10.11 - The test for screening donated blood for the...Ch. 10.11 - National public opinion polls are often based on...Ch. 10.11 - Prob. 17ECh. 10.11 - A large retail lawn care dealer currently provides...Ch. 10.11 - Prob. 20E
Ch. 10.11 - Sludge is a dried product remaining from processed...Ch. 10.11 - A political scientist is studying the impact of a...Ch. 10.11 - The quality control department of a motorcycle...Ch. 10.11 - Refer to Exercise 10.29. a. Place 95% confidence...Ch. 10.11 - The article “Positive Aspects of Caregiving”...Ch. 10.11 - A study examining bomb hits in South London during...Ch. 10.11 - The fire department in a large city is examining...Ch. 10.11 - Prob. 53ECh. 10.11 - A carcinogenicity study was conducted to examine...
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