Suppose we are modelling the spread of a disease using the SI model on a graph of degree 3. Let p be the probability that the disease spreads across an edge. Which of the following statement is true:  If p=0.2, we get an epidemic that is likely to spread to many nodes.   If p=0.8, we get an epidemic that is likely to die out fairly quickly.   If p=0.3, the epidemic is likely to die out fairly quickly.   None of these

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section5.6: Exponential And Logarithmic Equations
Problem 70E
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Suppose we are modelling the spread of a disease using the SI model on a graph of degree 3. Let p be the probability that the disease spreads across an edge. Which of the following statement is true: 

If p=0.2, we get an epidemic that is likely to spread to many nodes.

 
If p=0.8, we get an epidemic that is likely to die out fairly quickly.
 

If p=0.3, the epidemic is likely to die out fairly quickly.

 

None of these

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