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Beryllium disease: Beryllium is an extremely lightweight metal that is used in many industries, such as aerospace and electronics. Long-term exposure to beryllium can cause people to become sensitized. Once an individual is sensitized, continue exposure can result in chronic beryllium disease, which involves scarring of the lungs. In a study of the effects of exposure to beryllium, workers were categorized by their duration of exposure (in years) and by their disease status (diseased, sensitized, normal). The results were as follows: Duration of Exposure

Beryllium disease: Beryllium is an extremely lightweight metal that is used in many industries, such as aerospace and electronics. Long-term exposure to beryllium can cause people to become sensitized. Once an individual is sensitized, continue exposure can result in chronic beryllium disease, which involves scarring of the lungs. In a study of the effects of exposure to beryllium, workers were categorized by their duration of exposure (in years) and by their disease status (diseased, sensitized, normal). The results were as follows: Duration of Exposure

Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter4: Eigenvalues And Eigenvectors
Section4.6: Applications And The Perron-frobenius Theorem
Problem 22EQ
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Part 1 of 4 (a) State the null and alternate hypotheses. Ho: Beryllium exposure and disease status (Choose one) H₁: Beryllium exposure and disease status (Choose one) independent. independent.
Transcribed Image Text:Part 1 of 4 (a) State the null and alternate hypotheses. Ho: Beryllium exposure and disease status (Choose one) H₁: Beryllium exposure and disease status (Choose one) independent. independent.
Beryllium disease: Beryllium is an extremely lightweight metal that is used in many industries, such as aerospace and electronics. Long-term exposure to beryllium can cause people to become sensitized. Once an individual is sensitized, continued exposure can result in chronic beryllium disease, which involves scarring of the lungs. In a study of the effects of exposure to beryllium, workers were categorized by their duration of exposure (in years) and by their disease status (diseased, sensitized, or normal). The results were as follows: Diseased Sensitized Normal Send data to Excel Duration of Exposure 1 to <5 <1 9 7 80 12 19 145 >5 19 15 204 Test the hypothesis of independence. Use the α = 0.10 level of significance and the P-value method with the TI-84 Plus calculator. What do you conclude?
Transcribed Image Text:Beryllium disease: Beryllium is an extremely lightweight metal that is used in many industries, such as aerospace and electronics. Long-term exposure to beryllium can cause people to become sensitized. Once an individual is sensitized, continued exposure can result in chronic beryllium disease, which involves scarring of the lungs. In a study of the effects of exposure to beryllium, workers were categorized by their duration of exposure (in years) and by their disease status (diseased, sensitized, or normal). The results were as follows: Diseased Sensitized Normal Send data to Excel Duration of Exposure 1 to <5 <1 9 7 80 12 19 145 >5 19 15 204 Test the hypothesis of independence. Use the α = 0.10 level of significance and the P-value method with the TI-84 Plus calculator. What do you conclude?
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