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3. What is the probability of observing an internal parasite from a female fish with a 0.58 ppt of estrogenic compound? A 0.25 B. 0.33 C. 0.34 D. 0.58

3. What is the probability of observing an internal parasite from a female fish with a 0.58 ppt of estrogenic compound? A 0.25 B. 0.33 C. 0.34 D. 0.58

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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The presence of the sea lice, a common parasite among saltwater fish is said to be related to pollution in the bodies of water. A total of 50 random sample of fish from a certain bay was obtained. Each fish was analyzed whether an internal parasite (Y=1) was observed or not. Likewise, the amount of estrogenic compounds in the fish blood (X₁, ppt) and the sex of the fish (X₂, Male=1 and Female=0), using Female as base category, were recorded. Regression analysis was done, and the model is given by: = -1.3 +0.34X₁ + 1.51X₂ 1. 2. 3. In (y=1) 1-z(y=1) Based on the model, what is the odds of observing an internal parasite over not observing for male relative to a female fish, holding amount of estrogenic compounds constant. A Lower by 1.51 B. Higher by 1.51 C. Lower by e^1.51 D. Higher by e^1.51 Based on the model (holding sex of the fish constant), every ppt increase in the amount of estrogenic compound A. Increases B. decreases the odds of observing an internal parasite multiplicatively by A 0.34 B. e^0.34 What is the probability of observing an internal parasite from a female fish with a 0.58 ppt of estrogenic compound? A 0.25 B. 0.33 C. 0.34 D. 0.58
Transcribed Image Text:The presence of the sea lice, a common parasite among saltwater fish is said to be related to pollution in the bodies of water. A total of 50 random sample of fish from a certain bay was obtained. Each fish was analyzed whether an internal parasite (Y=1) was observed or not. Likewise, the amount of estrogenic compounds in the fish blood (X₁, ppt) and the sex of the fish (X₂, Male=1 and Female=0), using Female as base category, were recorded. Regression analysis was done, and the model is given by: = -1.3 +0.34X₁ + 1.51X₂ 1. 2. 3. In (y=1) 1-z(y=1) Based on the model, what is the odds of observing an internal parasite over not observing for male relative to a female fish, holding amount of estrogenic compounds constant. A Lower by 1.51 B. Higher by 1.51 C. Lower by e^1.51 D. Higher by e^1.51 Based on the model (holding sex of the fish constant), every ppt increase in the amount of estrogenic compound A. Increases B. decreases the odds of observing an internal parasite multiplicatively by A 0.34 B. e^0.34 What is the probability of observing an internal parasite from a female fish with a 0.58 ppt of estrogenic compound? A 0.25 B. 0.33 C. 0.34 D. 0.58
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