PMI Exam Questions

What is the communication channel delta if the members in the communication plan are increased from

What is the communication channel delta if the members in the communication plan are increased from 5 to 10?

A.
35

B.
5

C.
15

D.
75

Explanation:
Delta = n*(n-1)/2 – n1*(n1-1)/2 where n = individuals and n1 = new individuals 10-45 = 35 No of communication channels: n*(n-1)/2 where n = individual