##### Suppose users share a 2Mbps link. Also suppose each user requires 500kbps when transmitting, but each user transmits only 10% of the time. (See the discussion of packet switching versus circuit switching in Section 1.3) a. (1 point) When circuit switching is used, how many users can be supported? b. (2 points) For the remainder of this problem, suppose packet switching is used. Find the probability that a giving user is transmitting. c. (3 points) Suppose there are 5 users, find the probability that at any given time, all 5 users are transmitting simultaneously. What is the probability that there are 4 or less users transmitting simultaneously?

Suppose users share a 2Mbps link. Also suppose each user requires 500kbps when transmitting, but each user transmits only 10% of the time. (See the discussion of packet switching versus circuit switching in Section 1.3) a. (1 point) When circuit switching is used, how many users can be supported? b. (2 points) For the remainder of this problem, suppose packet switching is used. Find the probability that a giving user is transmitting. c. (3 points) Suppose there are 5 users, find the probability that at any given time, all 5 users are transmitting simultaneously. What is the probability that there are 4 or less users transmitting simultaneously?