DM-Graphs-Q10

+1 vote

G(V,E) is a simple graph with 8 vertices. The edges of G are decided by tossing the coin for each two vertex combination. Edge is added between any 2 vertices iff head is turned up. Expected number of edges in the graph G(V,E)?

asked Jul 12, 2019 in Discrete Maths by gbeditor (32,710 points)
reshown Jul 13, 2019 by gbeditor

1 Answer

+2 votes
it follows the binomial theorem so mean is np

n=8C2 and p =1/2 mean =np

28/2=14

answer should be 14
answered Jul 14, 2019 by (870 points)
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