Asked by Keonn'a
                How many two-person committees can be selected from a set of 8 people.
8nCr2=28
I need a reason why it is 28 when you input it into the calculator
            
        8nCr2=28
I need a reason why it is 28 when you input it into the calculator
Answers
                    Answered by
            scott
            
    you are filling two slots ... 8 people for the 1st, and 7 people for the second
... 8 * 7 = 56
BUT ... Joe and Sue on the committee is the same as Sue and Joe
... order is not important
so there are 56/2 ways to select the committee
    
... 8 * 7 = 56
BUT ... Joe and Sue on the committee is the same as Sue and Joe
... order is not important
so there are 56/2 ways to select the committee
                                                    There are no AI answers yet. The ability to request AI answers is coming soon!
                                            
                Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.