Question 3 [6] Consider a computer network that has been designed to support a maximum of 100 users. Each user has a io probability of using the network at any one time. Note: In this problem you can leave your answers in terms of a. What is the probability that a user is not using the network? [1] b. What is the probability that there is exactly one active user in the network [2] c. What is the probability that there are no more than 20 active users in the network? Note: For this problem you can leave your answer as an expression. [3]