Q1): Consider a cellular network in which each user averages three calls per hour, each call lasting an average of 5 minutes. a. What is the traffic intensity for each user? b. Find the number of users that could use the system with 1% blocking if only one channel is available. c. Find the number of users that could use the system with 1% blocking if 5 channels are available. d. If the number of users you found in (c) is suddenly doubled, what is the new blocking probability for the system (with five channels)