Ques. A disadvantage of a broadcast subnet is the capacity wasted when multiple hosts attempt to access the
channel at the same time. As a simplistic example, suppose that time is divided into discrete slots, with
each of the n hosts attempting to use the channel with probability p during each slot. What fraction of the
slots are wasted due to collisions?
Ans.
1 - np(1-p)n-1 - (1-p)n.