An experiment involves participants. From these, a group of participants is to be tested under a special
condition. How many groups of participants can be chosen, assuming that the order in which the participants are chosen is irrelevant?
you need to combinate 19 participants in groups of 3 so you make a... View the full answer
Sign up to view the full answer
Suppose there are n participants and we need to form groups of K people out o... View the full answer