HI

I have a doubt in the communication channels. If we have  4 team members in the project and if we are asked to calculate a communication channel, i know the forumla is n(n-1)/2 , but wha tis confusing is that some websites show the result taking in to account the project manager as well and hence making n=5 but some websites calculate the channels by assuming n=4.  Can somone advise on what is the correct procedure...

Is there a wording trick that i should watch for ?