A pollster selected 4 of 7 people. How many different groups of 4 are possible?

Discussion in 'Calculator Requests' started by math_celebrity, Feb 17, 2020.

Tags:
  1. math_celebrity

    math_celebrity Administrator Staff Member

    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.
     

Share This Page