Answer Happy

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:
O If p=0.4, we get an epidemic that is likely to spread to many nodes. O If p=0.8, we get an epidemic that is likely to die out fairly quickly. O If p=0.3, the epidemic is likely to die out fairly quickly. O None of these