Answer to Question #4616 in Statistics and Probability for Muhammad Farhan
A multichannel microwave link is to provide telephone communication to a remote community having 12 subscribers, each of whom uses the link 20% of the time during peak hours. How many channels are needed to make the link available during peak hours to:
(i) 80% of the subscribers all the time?
(ii) All of the subscribers 80% of the time?
(iii) All of the subscribers 95% of the time