A pollster selected 4 of 7 people. How many different groups of 4 are possible?
We want to use the combinations formula. So we type 7C4 into our search engine. This is also known as 7 choose 4.
We get 35 different groups.
We want to use the combinations formula. So we type 7C4 into our search engine. This is also known as 7 choose 4.
We get 35 different groups.