Home ownership. The U.S. Census Bureau published the home ownership rates given in Table 2. The following transition matrix P is proposed as a model for the data, where H represents the households that own their home. Four years later H H ′ Current year H H ′ .95 .05 .15 .85 = P (A) Let S 0 = .654 .346 , and find S 1 , S 2 , and S 3 . Compute both matrices exactly and then round entries to three decimal places. (B) Construct a new table comparing the results from part (A) with the data in Table 2. (C) According to this transition matrix, what percentage of households will own their home in the long run?
Home ownership. The U.S. Census Bureau published the home ownership rates given in Table 2. The following transition matrix P is proposed as a model for the data, where H represents the households that own their home. Four years later H H ′ Current year H H ′ .95 .05 .15 .85 = P (A) Let S 0 = .654 .346 , and find S 1 , S 2 , and S 3 . Compute both matrices exactly and then round entries to three decimal places. (B) Construct a new table comparing the results from part (A) with the data in Table 2. (C) According to this transition matrix, what percentage of households will own their home in the long run?
Solution Summary: The author calculates the matrices S_1,
Give an example of a graph with at least 3 vertices that has exactly 2 automorphisms(one of which is necessarily the identity automorphism). Prove that your example iscorrect.
3. [10 marks]
Let Go (Vo, Eo) and G₁
=
(V1, E1) be two graphs that
⚫ have at least 2 vertices each,
⚫are disjoint (i.e., Von V₁ = 0),
⚫ and are both Eulerian.
Consider connecting Go and G₁ by adding a set of new edges F, where each new edge
has one end in Vo and the other end in V₁.
(a) Is it possible to add a set of edges F of the form (x, y) with x € Vo and y = V₁ so
that the resulting graph (VUV₁, Eo UE₁ UF) is Eulerian?
(b) If so, what is the size of the smallest possible F?
Prove that your answers are correct.
Let T be a tree. Prove that if T has a vertex of degree k, then T has at least k leaves.
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