### Question Description

A researcher wants to get information from a focus group. How many focus group of 8 people can be selected?

If a focus group of 8 people is selected, what is the probability that all member of the group support living together before marriage?

## Explanation & Answer

We should know how many people are involved in this research. Let's call it n, the answer will be nC8

Then if p is the proba that a member support living together before marriage the answer is p^8