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Recall the Medium Access Control ( MAC ) Protocol discussed in lecture ( at the end of Sec V . 6 . ) We saw

Recall the Medium Access Control (MAC) Protocol discussed in lecture (at the end of Sec V.6.) We saw
that each time slot could be in one of three states: I (idle), C (collision) or S (Success). Consider here that
there are 6 nodes who want to send packets and that all of the nodes act independently of one another (the
example in lecture had 5 nodes). Each node has a probability p =0.4 of being active in a time slot. Let
Y be the random variable that denotes the number of nodes that are active in a time slot. For an idle slot
Y =0, for a successful slot Y =1, and if Y >=2 the slot has a collision.

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