Question: Suppose several users share a 10 Mbps link. Also suppose each user requires 200 kbps bandwidth when transmitting, but only transmits only 10 percent of

Suppose several users share a 10 Mbps link. Also suppose each user requires 200 kbps bandwidth when transmitting, but only transmits only 10 percent of the time. (See the discussion of packet switching versus circuit switching in Textbook Section 1.3 and chapter 1 slides around page 35.) (1) When circuit switching is used, how many users can be supported? (2) Suppose packet switching is used and there are 120 users, what is the probability that there are 45 or more users transmitting simultaneously? You need to give a formula, not just the final result.

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