Find the mean and variance of the number of islands


The inhabitants of the beautiful and ancient canal city of Pentapolis live on 5 islands separated from each other by water. Bridges cross from one island to another as shown. On any day, a bridge can be closed, with probability p, for restoration work. Assuming that the 8 bridges are closed independently, find the mean and variance of the number of islands which are completely cut off because of restoration work.

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Basic Statistics: Find the mean and variance of the number of islands
Reference No:- TGS0113444

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